diff --git a/doc/api/settings.md b/doc/api/settings.md
index 0a755fe104d5ec3d86b0041a6d19c64f16a0621a..1def4f6e800a7e4b6bd11f127f6ce2f973b1eb65 100644
--- a/doc/api/settings.md
+++ b/doc/api/settings.md
@@ -190,6 +190,7 @@ these parameters:
 - `dependency_scanning_sbom_scan_api_upload_limit`
 - `disable_personal_access_tokens`
 - `duo_features_enabled`
+- `elasticsearch_index_settings`
 - `file_template_project_id`
 - `geo_node_allowed_ips`
 - `geo_status_timeout`
@@ -211,6 +212,13 @@ these parameters:
   "default_project_deletion_protection": false,
   "disable_personal_access_tokens": false,
   "duo_features_enabled": true,
+  "elasticsearch_index_settings": [
+    {
+      "alias_name": "gitlab-production",
+      "number_of_shards": 5,
+      "number_of_replicas": 1
+    }
+  ],
   "file_template_project_id": 1,
   "geo_node_allowed_ips": "0.0.0.0/0, ::/0",
   "group_owners_can_manage_default_branch_protection": true,
diff --git a/ee/app/models/ee/application_setting.rb b/ee/app/models/ee/application_setting.rb
index 25b113db46c2f4ca7e0ecfe1be17a39f2508a553..1cfafbc4b48f2c43e0eb77bfc9c55f04eeb17f06 100644
--- a/ee/app/models/ee/application_setting.rb
+++ b/ee/app/models/ee/application_setting.rb
@@ -519,6 +519,10 @@ def elasticsearch_replicas
       Elastic::IndexSetting.number_of_replicas
     end
 
+    def elasticsearch_index_settings
+      Elastic::IndexSetting.order_by_name
+    end
+
     def elasticsearch_indexes_project?(project)
       return false unless elasticsearch_indexing?
       return true unless elasticsearch_limit_indexing?
diff --git a/ee/lib/api/entities/elastic/index_setting.rb b/ee/lib/api/entities/elastic/index_setting.rb
new file mode 100644
index 0000000000000000000000000000000000000000..3eddcc8be3ce0ab62a3a01c8a497aa51713c8043
--- /dev/null
+++ b/ee/lib/api/entities/elastic/index_setting.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+module API
+  module Entities
+    module Elastic
+      class IndexSetting < Grape::Entity # rubocop:disable Search/NamespacedClass -- This is an API entity, not search code
+        expose :alias_name,
+          documentation: {
+            type: 'String',
+            desc: 'Name of the Elasticsearch index alias.',
+            example: 'gitlab-production'
+          }
+
+        expose :number_of_shards,
+          documentation: {
+            type: 'Integer',
+            desc: 'Number of shards for the Elasticsearch index.',
+            example: 5
+          }
+
+        expose :number_of_replicas,
+          documentation: {
+            type: 'Integer',
+            desc: 'Number of replicas for the Elasticsearch index.',
+            example: 1
+          }
+      end
+    end
+  end
+end
diff --git a/ee/lib/ee/api/entities/application_setting.rb b/ee/lib/ee/api/entities/application_setting.rb
index f25ba921754c127414b12c12a4de9b1ea4b68bbb..f8f68aeaba3ec28a505e64228694446e48448ffe 100644
--- a/ee/lib/ee/api/entities/application_setting.rb
+++ b/ee/lib/ee/api/entities/application_setting.rb
@@ -59,6 +59,10 @@ module ApplicationSetting
             if: ->(instance, _opts) {
               instance.auto_duo_code_review_settings_available?
             }
+          expose :elasticsearch_index_settings,
+            using: ::API::Entities::Elastic::IndexSetting,
+            documentation: { is_array: true, desc: 'Elasticsearch index settings.' },
+            if: ->(_instance, _opts) { ::License.feature_available?(:elastic_search) }
         end
       end
     end
diff --git a/ee/spec/models/application_setting_spec.rb b/ee/spec/models/application_setting_spec.rb
index 1b54705ca9721032d05c068980cd5befe0608f5d..d85def196122675701784eec45ccc7bddb3e713c 100644
--- a/ee/spec/models/application_setting_spec.rb
+++ b/ee/spec/models/application_setting_spec.rb
@@ -1728,6 +1728,34 @@ def expect_is_es_licensed
     end
   end
 
+  describe '#elasticsearch_index_settings', feature_category: :global_search do
+    subject(:elasticsearch_index_settings) { setting.elasticsearch_index_settings }
+
+    context 'when no index settings exist' do
+      it { is_expected.to be_empty }
+    end
+
+    context 'when one index setting exists' do
+      let_it_be(:_index_setting) do
+        create(:elastic_index_setting, alias_name: 'test-index', number_of_shards: 3, number_of_replicas: 2)
+      end
+
+      it 'returns the index setting with correct attributes' do
+        expect(elasticsearch_index_settings).to contain_exactly(
+          have_attributes(alias_name: 'test-index', number_of_shards: 3, number_of_replicas: 2)
+        )
+      end
+    end
+
+    context 'when multiple index settings exist' do
+      let_it_be(:index_alpha) { create(:elastic_index_setting, alias_name: 'index-alpha') }
+      let_it_be(:index_beta) { create(:elastic_index_setting, alias_name: 'index-beta') }
+      let_it_be(:index_gamma) { create(:elastic_index_setting, alias_name: 'index-gamma') }
+
+      it { is_expected.to eq [index_alpha, index_beta, index_gamma] }
+    end
+  end
+
   describe '#elasticsearch_url_with_credentials', feature_category: :global_search do
     let(:elasticsearch_url) { "#{host1},#{host2}" }
     let(:host1) { 'http://example.com' }
diff --git a/ee/spec/requests/api/settings_spec.rb b/ee/spec/requests/api/settings_spec.rb
index 8f590a59841f50c4d49fcc6e39afa7269488533e..3f810f7108a2d51d36ad27ba9150aba550bd2444 100644
--- a/ee/spec/requests/api/settings_spec.rb
+++ b/ee/spec/requests/api/settings_spec.rb
@@ -292,6 +292,42 @@
         expect(ElasticsearchIndexedNamespace.count).to eq(0)
         expect(ElasticsearchIndexedProject.count).to eq(1)
       end
+
+      context 'with elasticsearch_index_settings' do
+        let_it_be(:_index_setting) do
+          create(:elastic_index_setting, alias_name: 'api-test-index', number_of_shards: 5, number_of_replicas: 1)
+        end
+
+        subject(:get_application_setting_response) { get api('/application/settings', admin, admin_mode: true) }
+
+        before do
+          stub_licensed_features(elastic_search: true)
+        end
+
+        it 'returns elasticsearch_index_settings in response' do
+          get_application_setting_response
+
+          expect(response).to have_gitlab_http_status(:ok)
+          expect(json_response['elasticsearch_index_settings']).to include(
+            'alias_name' => 'api-test-index',
+            'number_of_shards' => 5,
+            'number_of_replicas' => 1
+          )
+        end
+
+        context 'when license feature :elastic_search is not available' do
+          before do
+            stub_licensed_features(elastic_search: false)
+          end
+
+          it 'does not return elasticsearch_index_settings in response' do
+            get_application_setting_response
+
+            expect(response).to have_gitlab_http_status(:ok)
+            expect(json_response).not_to have_key('elasticsearch_index_settings')
+          end
+        end
+      end
     end
 
     context 'secret_detection_token_revocation_enabled is true' do