diff --git a/lib/membership/member.ex b/lib/membership/member.ex
index da69861..bcd505e 100644
--- a/lib/membership/member.ex
+++ b/lib/membership/member.ex
@@ -42,6 +42,10 @@ defmodule Mv.Membership.Member do
   @member_search_limit 10
   @default_similarity_threshold 0.2
 
+  # Use constants from Mv.Constants for member fields
+  # This ensures consistency across the codebase
+  @member_fields Mv.Constants.member_fields()
+
   postgres do
     table "members"
     repo Mv.Repo
@@ -58,21 +62,7 @@ defmodule Mv.Membership.Member do
       # user_id is NOT in accept list to prevent direct foreign key manipulation
       argument :user, :map, allow_nil?: true
 
-      accept [
-        :first_name,
-        :last_name,
-        :email,
-        :birth_date,
-        :paid,
-        :phone_number,
-        :join_date,
-        :exit_date,
-        :notes,
-        :city,
-        :street,
-        :house_number,
-        :postal_code
-      ]
+      accept @member_fields
 
       change manage_relationship(:custom_field_values, type: :create)
 
@@ -105,21 +95,7 @@ defmodule Mv.Membership.Member do
       # user_id is NOT in accept list to prevent direct foreign key manipulation
       argument :user, :map, allow_nil?: true
 
-      accept [
-        :first_name,
-        :last_name,
-        :email,
-        :birth_date,
-        :paid,
-        :phone_number,
-        :join_date,
-        :exit_date,
-        :notes,
-        :city,
-        :street,
-        :house_number,
-        :postal_code
-      ]
+      accept @member_fields
 
       change manage_relationship(:custom_field_values, on_match: :update, on_no_match: :create)
 
diff --git a/lib/membership/membership.ex b/lib/membership/membership.ex
index cb3691b..f5a708b 100644
--- a/lib/membership/membership.ex
+++ b/lib/membership/membership.ex
@@ -53,6 +53,7 @@ defmodule Mv.Membership do
       # It's only used internally as fallback in get_settings/0
       # Settings should be created via seed script
       define :update_settings, action: :update
+      define :update_member_field_visibility, action: :update_member_field_visibility
     end
   end
 
@@ -123,4 +124,37 @@ defmodule Mv.Membership do
     |> Ash.Changeset.for_update(:update, attrs)
     |> Ash.update(domain: __MODULE__)
   end
+
+  @doc """
+  Updates the member field visibility configuration.
+
+  This is a specialized action for updating only the member field visibility settings.
+  It validates that all keys are valid member fields and all values are booleans.
+
+  ## Parameters
+
+    - `settings` - The settings record to update
+    - `visibility_config` - A map of member field names (strings) to boolean visibility values
+      (e.g., `%{"street" => false, "house_number" => false}`)
+
+  ## Returns
+
+    - `{:ok, updated_settings}` - Successfully updated settings
+    - `{:error, error}` - Validation or update error
+
+  ## Examples
+
+      iex> {:ok, settings} = Mv.Membership.get_settings()
+      iex> {:ok, updated} = Mv.Membership.update_member_field_visibility(settings, %{"street" => false, "house_number" => false})
+      iex> updated.member_field_visibility
+      %{"street" => false, "house_number" => false}
+
+  """
+  def update_member_field_visibility(settings, visibility_config) do
+    settings
+    |> Ash.Changeset.for_update(:update_member_field_visibility, %{
+      member_field_visibility: visibility_config
+    })
+    |> Ash.update(domain: __MODULE__)
+  end
 end
diff --git a/lib/membership/setting.ex b/lib/membership/setting.ex
index 38624dc..52c0328 100644
--- a/lib/membership/setting.ex
+++ b/lib/membership/setting.ex
@@ -9,6 +9,8 @@ defmodule Mv.Membership.Setting do
 
   ## Attributes
   - `club_name` - The name of the association/club (required, cannot be empty)
+  - `member_field_visibility` - JSONB map storing visibility configuration for member fields
+    (e.g., `%{"street" => false, "house_number" => false}`). Fields not in the map default to `true`.
 
   ## Singleton Pattern
   This resource uses a singleton pattern - there should only be one settings record.
@@ -28,6 +30,9 @@ defmodule Mv.Membership.Setting do
 
       # Update club name
       {:ok, updated} = Mv.Membership.update_settings(settings, %{club_name: "New Name"})
+
+      # Update member field visibility
+      {:ok, updated} = Mv.Membership.update_member_field_visibility(settings, %{"street" => false, "house_number" => false})
   """
   use Ash.Resource,
     domain: Mv.Membership,
@@ -49,18 +54,65 @@ defmodule Mv.Membership.Setting do
     # Used only as fallback in get_settings/0 if settings don't exist
     # Settings should normally be created via seed script
     create :create do
-      accept [:club_name]
+      accept [:club_name, :member_field_visibility]
     end
 
     update :update do
       primary? true
-      accept [:club_name]
+      require_atomic? false
+      accept [:club_name, :member_field_visibility]
+    end
+
+    update :update_member_field_visibility do
+      description "Updates the visibility configuration for member fields in the overview"
+      require_atomic? false
+      accept [:member_field_visibility]
     end
   end
 
   validations do
     validate present(:club_name), on: [:create, :update]
     validate string_length(:club_name, min: 1), on: [:create, :update]
+
+    # Validate member_field_visibility map structure and content
+    validate fn changeset, _context ->
+               visibility = Ash.Changeset.get_attribute(changeset, :member_field_visibility)
+
+               if visibility && is_map(visibility) do
+                 # Validate all values are booleans
+                 invalid_values =
+                   Enum.filter(visibility, fn {_key, value} ->
+                     not is_boolean(value)
+                   end)
+
+                 # Validate all keys are valid member fields
+                 valid_field_strings = Mv.Constants.member_fields() |> Enum.map(&Atom.to_string/1)
+
+                 invalid_keys =
+                   Enum.filter(visibility, fn {key, _value} ->
+                     key not in valid_field_strings
+                   end)
+                   |> Enum.map(fn {key, _value} -> key end)
+
+                 cond do
+                   not Enum.empty?(invalid_values) ->
+                     {:error,
+                      field: :member_field_visibility,
+                      message: "All values in member_field_visibility must be booleans"}
+
+                   not Enum.empty?(invalid_keys) ->
+                     {:error,
+                      field: :member_field_visibility,
+                      message: "Invalid member field keys: #{inspect(invalid_keys)}"}
+
+                   true ->
+                     :ok
+                 end
+               else
+                 :ok
+               end
+             end,
+             on: [:create, :update]
   end
 
   attributes do
@@ -75,6 +127,12 @@ defmodule Mv.Membership.Setting do
         min_length: 1
       ]
 
+    attribute :member_field_visibility, :map,
+      allow_nil?: true,
+      public?: true,
+      description:
+        "Configuration for member field visibility in overview (JSONB map). Keys are member field names (atoms), values are booleans."
+
     timestamps()
   end
 end
diff --git a/lib/mv/constants.ex b/lib/mv/constants.ex
new file mode 100644
index 0000000..cd8d3a4
--- /dev/null
+++ b/lib/mv/constants.ex
@@ -0,0 +1,23 @@
+defmodule Mv.Constants do
+  @moduledoc """
+  Module for defining constants and atoms.
+  """
+
+  @member_fields [
+    :first_name,
+    :last_name,
+    :email,
+    :birth_date,
+    :paid,
+    :phone_number,
+    :join_date,
+    :exit_date,
+    :notes,
+    :city,
+    :street,
+    :house_number,
+    :postal_code
+  ]
+
+  def member_fields, do: @member_fields
+end
diff --git a/lib/mv_web/live/member_live/index.ex b/lib/mv_web/live/member_live/index.ex
index 4654b52..fcdeedd 100644
--- a/lib/mv_web/live/member_live/index.ex
+++ b/lib/mv_web/live/member_live/index.ex
@@ -30,11 +30,18 @@ defmodule MvWeb.MemberLive.Index do
   require Ash.Query
   import Ash.Expr
 
+  alias Mv.Membership
   alias MvWeb.MemberLive.Index.Formatter
 
   # Prefix used in sort field names for custom fields (e.g., "custom_field_<id>")
   @custom_field_prefix "custom_field_"
 
+  # Member fields that are loaded for the overview
+  # Uses constants from Mv.Constants to ensure consistency
+  # Note: :id is always included for member identification
+  # All member fields are loaded, but visibility is controlled via settings
+  @overview_fields [:id | Mv.Constants.member_fields()]
+
   @doc """
   Initializes the LiveView state.
 
@@ -53,6 +60,14 @@ defmodule MvWeb.MemberLive.Index do
       |> Ash.Query.sort(name: :asc)
       |> Ash.read!()
 
+    # Load settings once to avoid N+1 queries
+    settings =
+      case Membership.get_settings() do
+        {:ok, s} -> s
+        # Fallback if settings can't be loaded
+        {:error, _} -> %{member_field_visibility: %{}}
+      end
+
     socket =
       socket
       |> assign(:page_title, gettext("Members"))
@@ -62,6 +77,7 @@ defmodule MvWeb.MemberLive.Index do
       |> assign(:paid_filter, nil)
       |> assign(:selected_members, MapSet.new())
       |> assign(:custom_fields_visible, custom_fields_visible)
+      |> assign(:member_fields_visible, get_visible_member_fields(settings))
 
     # We call handle params to use the query from the URL
     {:ok, socket}
@@ -416,19 +432,7 @@ defmodule MvWeb.MemberLive.Index do
     query =
       Mv.Membership.Member
       |> Ash.Query.new()
-      |> Ash.Query.select([
-        :id,
-        :first_name,
-        :last_name,
-        :email,
-        :street,
-        :house_number,
-        :postal_code,
-        :city,
-        :phone_number,
-        :join_date,
-        :paid
-      ])
+      |> Ash.Query.select(@overview_fields)
 
     # Load custom field values for visible custom fields
     custom_field_ids_list = Enum.map(socket.assigns.custom_fields_visible, & &1.id)
@@ -558,18 +562,13 @@ defmodule MvWeb.MemberLive.Index do
   defp maybe_sort(query, _, _, _), do: {query, false}
 
   # Validate that a field is sortable
+  # Uses member fields from constants, but excludes fields that don't make sense to sort
+  # (e.g., :notes is too long, :paid is boolean and not very useful for sorting)
   defp valid_sort_field?(field) when is_atom(field) do
-    valid_fields = [
-      :first_name,
-      :last_name,
-      :email,
-      :street,
-      :house_number,
-      :postal_code,
-      :city,
-      :phone_number,
-      :join_date
-    ]
+    # All member fields are sortable, but we exclude some that don't make sense
+    # :id is not in member_fields, but we don't want to sort by it anyway
+    non_sortable_fields = [:notes, :paid]
+    valid_fields = Mv.Constants.member_fields() -- non_sortable_fields
 
     field in valid_fields or custom_field_sort?(field)
   end
@@ -899,4 +898,32 @@ defmodule MvWeb.MemberLive.Index do
       "#{name} <#{member.email}>"
     end
   end
+
+  # Gets the list of member fields that should be visible in the overview.
+  #
+  # Reads the visibility configuration from Settings and returns only the fields
+  # where show_in_overview is true. Fields not configured in settings default to true.
+  #
+  # Performance: This function uses the already-loaded settings to avoid N+1 queries.
+  # Settings should be loaded once in mount/3 and passed to this function.
+  #
+  # Parameters:
+  #   - `settings` - The settings struct loaded from the database
+  #
+  # Returns a list of atoms representing visible member field names.
+  #
+  # Fields are read from the global Constants module.
+  @spec get_visible_member_fields(map()) :: [atom()]
+  defp get_visible_member_fields(settings) do
+    # Get all eligible fields from the global constants
+    all_fields = Mv.Constants.member_fields()
+
+    # JSONB stores keys as strings
+    visibility_config = settings.member_field_visibility || %{}
+
+    # Filter to only return visible fields
+    Enum.filter(all_fields, fn field ->
+      Map.get(visibility_config, Atom.to_string(field), true)
+    end)
+  end
 end
diff --git a/lib/mv_web/live/member_live/index.html.heex b/lib/mv_web/live/member_live/index.html.heex
index 4050444..58e22b6 100644
--- a/lib/mv_web/live/member_live/index.html.heex
+++ b/lib/mv_web/live/member_live/index.html.heex
@@ -97,6 +97,7 @@
     </:col>
     <:col
       :let={member}
+      :if={:email in @member_fields_visible}
       label={
         ~H"""
         <.live_component
@@ -114,6 +115,7 @@
     </:col>
     <:col
       :let={member}
+      :if={:street in @member_fields_visible}
       label={
         ~H"""
         <.live_component
@@ -131,6 +133,7 @@
     </:col>
     <:col
       :let={member}
+      :if={:house_number in @member_fields_visible}
       label={
         ~H"""
         <.live_component
@@ -148,6 +151,7 @@
     </:col>
     <:col
       :let={member}
+      :if={:postal_code in @member_fields_visible}
       label={
         ~H"""
         <.live_component
@@ -165,6 +169,7 @@
     </:col>
     <:col
       :let={member}
+      :if={:city in @member_fields_visible}
       label={
         ~H"""
         <.live_component
@@ -182,6 +187,7 @@
     </:col>
     <:col
       :let={member}
+      :if={:phone_number in @member_fields_visible}
       label={
         ~H"""
         <.live_component
@@ -199,6 +205,7 @@
     </:col>
     <:col
       :let={member}
+      :if={:join_date in @member_fields_visible}
       label={
         ~H"""
         <.live_component
diff --git a/priv/repo/migrations/20251201115939_add_member_field_visibility_to_settings.exs b/priv/repo/migrations/20251201115939_add_member_field_visibility_to_settings.exs
new file mode 100644
index 0000000..6d278fb
--- /dev/null
+++ b/priv/repo/migrations/20251201115939_add_member_field_visibility_to_settings.exs
@@ -0,0 +1,21 @@
+defmodule Mv.Repo.Migrations.AddMemberFieldVisibilityToSettings do
+  @moduledoc """
+  Updates resources based on their most recent snapshots.
+
+  This file was autogenerated with `mix ash_postgres.generate_migrations`
+  """
+
+  use Ecto.Migration
+
+  def up do
+    alter table(:settings) do
+      add :member_field_visibility, :map
+    end
+  end
+
+  def down do
+    alter table(:settings) do
+      remove :member_field_visibility
+    end
+  end
+end
diff --git a/priv/resource_snapshots/repo/custom_fields/20251201115939.json b/priv/resource_snapshots/repo/custom_fields/20251201115939.json
new file mode 100644
index 0000000..fabd84b
--- /dev/null
+++ b/priv/resource_snapshots/repo/custom_fields/20251201115939.json
@@ -0,0 +1,144 @@
+{
+  "attributes": [
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"gen_random_uuid()\")",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": true,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "id",
+      "type": "uuid"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "name",
+      "type": "text"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "slug",
+      "type": "text"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "value_type",
+      "type": "text"
+    },
+    {
+      "allow_nil?": true,
+      "default": "nil",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "description",
+      "type": "text"
+    },
+    {
+      "allow_nil?": false,
+      "default": "false",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "immutable",
+      "type": "boolean"
+    },
+    {
+      "allow_nil?": false,
+      "default": "false",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "required",
+      "type": "boolean"
+    },
+    {
+      "allow_nil?": false,
+      "default": "true",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "show_in_overview",
+      "type": "boolean"
+    }
+  ],
+  "base_filter": null,
+  "check_constraints": [],
+  "custom_indexes": [],
+  "custom_statements": [],
+  "has_create_action": true,
+  "hash": "D31160C95D3D32BA715D493DE2D2B8D6572E0EC68AE14B928D99975BC8A81542",
+  "identities": [
+    {
+      "all_tenants?": false,
+      "base_filter": null,
+      "index_name": "custom_fields_unique_name_index",
+      "keys": [
+        {
+          "type": "atom",
+          "value": "name"
+        }
+      ],
+      "name": "unique_name",
+      "nils_distinct?": true,
+      "where": null
+    },
+    {
+      "all_tenants?": false,
+      "base_filter": null,
+      "index_name": "custom_fields_unique_slug_index",
+      "keys": [
+        {
+          "type": "atom",
+          "value": "slug"
+        }
+      ],
+      "name": "unique_slug",
+      "nils_distinct?": true,
+      "where": null
+    }
+  ],
+  "multitenancy": {
+    "attribute": null,
+    "global": null,
+    "strategy": null
+  },
+  "repo": "Elixir.Mv.Repo",
+  "schema": null,
+  "table": "custom_fields"
+}
\ No newline at end of file
diff --git a/priv/resource_snapshots/repo/settings/20251201115939.json b/priv/resource_snapshots/repo/settings/20251201115939.json
new file mode 100644
index 0000000..4e635c4
--- /dev/null
+++ b/priv/resource_snapshots/repo/settings/20251201115939.json
@@ -0,0 +1,79 @@
+{
+  "attributes": [
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"gen_random_uuid()\")",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": true,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "id",
+      "type": "uuid"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "club_name",
+      "type": "text"
+    },
+    {
+      "allow_nil?": true,
+      "default": "nil",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "member_field_visibility",
+      "type": "map"
+    },
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "inserted_at",
+      "type": "utc_datetime_usec"
+    },
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
+      "generated?": false,
+      "precision": null,
+      "primary_key?": false,
+      "references": null,
+      "scale": null,
+      "size": null,
+      "source": "updated_at",
+      "type": "utc_datetime_usec"
+    }
+  ],
+  "base_filter": null,
+  "check_constraints": [],
+  "custom_indexes": [],
+  "custom_statements": [],
+  "has_create_action": true,
+  "hash": "F2823210AA9E6476074A218375F64CD80E7F9E04EECC4E94D4C7FD31A773C016",
+  "identities": [],
+  "multitenancy": {
+    "attribute": null,
+    "global": null,
+    "strategy": null
+  },
+  "repo": "Elixir.Mv.Repo",
+  "schema": null,
+  "table": "settings"
+}
\ No newline at end of file
diff --git a/test/membership/member_field_visibility_test.exs b/test/membership/member_field_visibility_test.exs
new file mode 100644
index 0000000..9963169
--- /dev/null
+++ b/test/membership/member_field_visibility_test.exs
@@ -0,0 +1,14 @@
+defmodule Mv.Membership.MemberFieldVisibilityTest do
+  @moduledoc """
+  Tests for member field visibility configuration.
+
+  Tests cover:
+  - Member fields are visible by default (show_in_overview: true)
+  - Member fields can be hidden (show_in_overview: false)
+  - Checking if a specific field is visible
+  - Configuration is stored in Settings resource
+  """
+  use Mv.DataCase, async: true
+
+  alias Mv.Membership.Member
+end
diff --git a/test/mv_web/member_live/index_member_fields_display_test.exs b/test/mv_web/member_live/index_member_fields_display_test.exs
new file mode 100644
index 0000000..6b4f50c
--- /dev/null
+++ b/test/mv_web/member_live/index_member_fields_display_test.exs
@@ -0,0 +1,64 @@
+defmodule MvWeb.MemberLive.IndexMemberFieldsDisplayTest do
+  use MvWeb.ConnCase, async: true
+  import Phoenix.LiveViewTest
+  require Ash.Query
+
+  alias Mv.Membership.Member
+
+  setup do
+    {:ok, member1} =
+      Member
+      |> Ash.Changeset.for_create(:create_member, %{
+        first_name: "Alice",
+        last_name: "Anderson",
+        email: "alice@example.com",
+        street: "Main Street",
+        house_number: "123",
+        postal_code: "12345",
+        city: "Berlin",
+        phone_number: "+49123456789",
+        join_date: ~D[2020-01-15]
+      })
+      |> Ash.create()
+
+    {:ok, member2} =
+      Member
+      |> Ash.Changeset.for_create(:create_member, %{
+        first_name: "Bob",
+        last_name: "Brown",
+        email: "bob@example.com"
+      })
+      |> Ash.create()
+
+    %{
+      member1: member1,
+      member2: member2
+    }
+  end
+
+  test "shows multiple members correctly", %{conn: conn, member1: m1, member2: m2} do
+    conn = conn_with_oidc_user(conn)
+    {:ok, _view, html} = live(conn, "/members")
+
+    for m <- [m1, m2], field <- [m.first_name, m.last_name, m.email] do
+      assert html =~ field
+    end
+  end
+
+  test "respects show_in_overview config", %{conn: conn, member1: m} do
+    {:ok, settings} = Mv.Membership.get_settings()
+    fields_to_hide = [:street, :house_number]
+
+    {:ok, _} =
+      Mv.Membership.update_settings(settings, %{
+        member_field_visibility: Map.new(fields_to_hide, &{Atom.to_string(&1), false})
+      })
+
+    conn = conn_with_oidc_user(conn)
+    {:ok, _view, html} = live(conn, "/members")
+
+    assert html =~ "Email"
+    assert html =~ m.email
+    refute html =~ m.street
+  end
+end