diff --git a/app/controllers/users/redirect_controller.rb b/app/controllers/users/redirect_controller.rb
new file mode 100644
index 0000000000000000000000000000000000000000..507ac499252607a2bb442b6480cd3dcde199a596
--- /dev/null
+++ b/app/controllers/users/redirect_controller.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module Users
+  class RedirectController < ::ApplicationController
+    skip_before_action :authenticate_user!
+
+    feature_category :user_management
+
+    def redirect_from_id
+      # Unauthenticated users will receive a HTTP 403 Forbidden, matching the behavior in the Users API
+      if current_user
+        user = User.find(user_params[:id])
+        redirect_to user
+      else
+        render_403
+      end
+    end
+
+    private
+
+    def user_params
+      params.permit(:id)
+    end
+  end
+end
diff --git a/config/routes.rb b/config/routes.rb
index 4b4ed57b5b2e9d258b1246f568966584f691a63f..8d1cec467641f55cc58af403af91ed27e1f7c6f9 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -342,6 +342,8 @@
 
     root to: "root#index"
 
+    get '/-/u/:id' => 'users/redirect#redirect_from_id'
+
     get '*unmatched_route', to: 'application#route_not_found', format: false
 
     # Load all custom URLs definitions via `direct' after the last route
diff --git a/spec/requests/users/redirect_controller_spec.rb b/spec/requests/users/redirect_controller_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..7e669a27d87dc1cb2e094296dfde560e115e51c5
--- /dev/null
+++ b/spec/requests/users/redirect_controller_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe "Users::RedirectController requests", feature_category: :user_management do
+  using RSpec::Parameterized::TableSyntax
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:another_user) { create(:user) }
+
+  context 'when user is not logged in' do
+    it 'returns 403' do
+      get "/-/u/#{user.id}"
+
+      expect(response).to have_gitlab_http_status(:forbidden)
+    end
+  end
+
+  context 'when user is logged in' do
+    before do
+      sign_in(another_user)
+    end
+
+    context 'with valid user id' do
+      it 'redirects to user profile page' do
+        get "/-/u/#{user.id}"
+
+        expect(response).to redirect_to(user_path(user))
+      end
+    end
+
+    context 'with invalid user id' do
+      it 'returns 404 for non-existent user' do
+        get "/-/u/123"
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+  end
+end
diff --git a/spec/routing/user_routing_spec.rb b/spec/routing/user_routing_spec.rb
index 7aa6a8c731c92e46ccb5941558d29c50aaba2d3c..b6970fa39cbe827346185b4ab43305aa1d2edf88 100644
--- a/spec/routing/user_routing_spec.rb
+++ b/spec/routing/user_routing_spec.rb
@@ -27,3 +27,13 @@
     end
   end
 end
+
+RSpec.describe "Users", "routing", feature_category: :user_management do
+  let!(:user) { create(:user) }
+
+  describe 'GET /-/u/:id' do
+    it 'routes to users/redirect#redirect_from_id' do
+      expect(get('/-/u/1')).to route_to('users/redirect#redirect_from_id', id: '1')
+    end
+  end
+end