diff --git a/CHANGELOG.md b/CHANGELOG.md
index b694b5d2..d75c3fa5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - New method `Redmine\Api\IssueCategory::listNamesByProject()` for listing the ids and names of all issue categories of a project.
 - New method `Redmine\Api\IssueStatus::listNames()` for listing the ids and names of all issue statuses.
 - New method `Redmine\Api\Project::listNames()` for listing the ids and names of all projects.
+- New method `Redmine\Api\Role::listNames()` for listing the ids and names of all roles.
 
 ### Deprecated
 
@@ -22,6 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `Redmine\Api\IssueCategory::listing()` is deprecated, use `\Redmine\Api\IssueCategory::listNamesByProject()` instead.
 - `Redmine\Api\IssueStatus::listing()` is deprecated, use `\Redmine\Api\IssueStatus::listNamesByProject()` instead.
 - `Redmine\Api\Project::listing()` is deprecated, use `\Redmine\Api\Project::listNamesByProject()` instead.
+- `Redmine\Api\Role::listing()` is deprecated, use `\Redmine\Api\Role::listNamesByProject()` instead.
 
 ## [v2.6.0](https://github.com/kbsali/php-redmine-api/compare/v2.5.0...v2.6.0) - 2024-03-25
 
diff --git a/src/Redmine/Api/Role.php b/src/Redmine/Api/Role.php
index b70c1e53..57ae428f 100644
--- a/src/Redmine/Api/Role.php
+++ b/src/Redmine/Api/Role.php
@@ -19,6 +19,8 @@ class Role extends AbstractApi
 {
     private $roles = [];
 
+    private $roleNames = null;
+
     /**
      * List roles.
      *
@@ -39,6 +41,29 @@ final public function list(array $params = []): array
         }
     }
 
+    /**
+     * Returns an array of all roles with id/name pairs.
+     *
+     * @return array<int,string> list of roles (id => name)
+     */
+    final public function listNames(): array
+    {
+        if ($this->roleNames !== null) {
+            return $this->roleNames;
+        }
+
+        $this->roleNames = [];
+        $list = $this->list();
+
+        if (array_key_exists('roles', $list)) {
+            foreach ($list['roles'] as $role) {
+                $this->roleNames[(int) $role['id']] = $role['name'];
+            }
+        }
+
+        return $this->roleNames;
+    }
+
     /**
      * List roles.
      *
@@ -75,12 +100,17 @@ public function all(array $params = [])
     /**
      * Returns an array of roles with name/id pairs.
      *
+     * @deprecated v2.7.0 Use listNames() instead.
+     * @see Role::listNames()
+     *
      * @param bool $forceUpdate to force the update of the roles var
      *
      * @return array list of roles (id => name)
      */
     public function listing($forceUpdate = false)
     {
+        @trigger_error('`' . __METHOD__ . '()` is deprecated since v2.7.0, use `' . __CLASS__ . '::listNames()` instead.', E_USER_DEPRECATED);
+
         if (empty($this->roles) || $forceUpdate) {
             $this->roles = $this->list();
         }
diff --git a/tests/Behat/Bootstrap/RoleContextTrait.php b/tests/Behat/Bootstrap/RoleContextTrait.php
index 3980a6e5..c320dcbf 100644
--- a/tests/Behat/Bootstrap/RoleContextTrait.php
+++ b/tests/Behat/Bootstrap/RoleContextTrait.php
@@ -4,6 +4,8 @@
 
 namespace Redmine\Tests\Behat\Bootstrap;
 
+use Redmine\Api\Role;
+
 trait RoleContextTrait
 {
     /**
@@ -28,4 +30,32 @@ public function iHaveARoleWithTheName($name)
             ],
         );
     }
+
+    /**
+     * @When I list all roles
+     */
+    public function iListAllRoles()
+    {
+        /** @var Role */
+        $api = $this->getNativeCurlClient()->getApi('role');
+
+        $this->registerClientResponse(
+            $api->list(),
+            $api->getLastResponse(),
+        );
+    }
+
+    /**
+     * @When I list all role names
+     */
+    public function iListAllRoleNames()
+    {
+        /** @var Role */
+        $api = $this->getNativeCurlClient()->getApi('role');
+
+        $this->registerClientResponse(
+            $api->listNames(),
+            $api->getLastResponse(),
+        );
+    }
 }
diff --git a/tests/Behat/features/role.feature b/tests/Behat/features/role.feature
new file mode 100644
index 00000000..533f767f
--- /dev/null
+++ b/tests/Behat/features/role.feature
@@ -0,0 +1,55 @@
+@role
+Feature: Interacting with the REST API for roles
+    In order to interact with REST API for roles
+    As a user
+    I want to make sure the Redmine server replies with the correct response
+
+    Scenario: Listing of zero roles
+        Given I have a "NativeCurlClient" client
+        When I list all roles
+        Then the response has the status code "200"
+        And the response has the content type "application/json"
+        And the returned data has only the following properties
+            """
+            roles
+            """
+        And the returned data "roles" property is an array
+        And the returned data "roles" property contains "0" items
+
+    Scenario: Listing of multiple roles
+        Given I have a "NativeCurlClient" client
+        And I have a role with the name "Reporter"
+        And I have a role with the name "Developer"
+        When I list all roles
+        Then the response has the status code "200"
+        And the response has the content type "application/json"
+        And the returned data has only the following properties
+            """
+            roles
+            """
+        And the returned data "roles" property is an array
+        And the returned data "roles" property contains "2" items
+        And the returned data "roles.0" property contains "2" items
+        And the returned data "roles.0" property contains the following data
+            | property              | value                |
+            | id                    | 3                    |
+            | name                  | Reporter             |
+        And the returned data "roles.1" property contains "2" items
+        And the returned data "roles.1" property contains the following data
+            | property              | value                |
+            | id                    | 4                    |
+            | name                  | Developer            |
+
+    Scenario: Listing of multiple role names
+        Given I have a "NativeCurlClient" client
+        And I have a role with the name "Reporter"
+        And I have a role with the name "Developer"
+        When I list all role names
+        Then the response has the status code "200"
+        And the response has the content type "application/json"
+        And the returned data is an array
+        And the returned data contains "2" items
+        And the returned data contains the following data
+            | property              | value                |
+            | 3                     | Reporter             |
+            | 4                     | Developer            |
diff --git a/tests/Unit/Api/Role/ListNamesTest.php b/tests/Unit/Api/Role/ListNamesTest.php
new file mode 100644
index 00000000..769671c3
--- /dev/null
+++ b/tests/Unit/Api/Role/ListNamesTest.php
@@ -0,0 +1,108 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Redmine\Tests\Unit\Api\Role;
+
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\TestCase;
+use Redmine\Api\Role;
+use Redmine\Tests\Fixtures\AssertingHttpClient;
+
+#[CoversClass(Role::class)]
+class ListNamesTest extends TestCase
+{
+    /**
+     * @dataProvider getListNamesData
+     */
+    #[DataProvider('getListNamesData')]
+    public function testListNamesReturnsCorrectResponse($expectedPath, $responseCode, $response, $expectedResponse)
+    {
+        $client = AssertingHttpClient::create(
+            $this,
+            [
+                'GET',
+                $expectedPath,
+                'application/json',
+                '',
+                $responseCode,
+                'application/json',
+                $response,
+            ],
+        );
+
+        // Create the object under test
+        $api = new Role($client);
+
+        // Perform the tests
+        $this->assertSame($expectedResponse, $api->listNames());
+    }
+
+    public static function getListNamesData(): array
+    {
+        return [
+            'test without roles' => [
+                '/roles.json',
+                201,
+                <<<JSON
+                {
+                    "roles": []
+                }
+                JSON,
+                [],
+            ],
+            'test with multiple roles' => [
+                '/roles.json',
+                201,
+                <<<JSON
+                {
+                    "roles": [
+                        {"id": 7, "name": "Role 3"},
+                        {"id": 8, "name": "Role 2"},
+                        {"id": 9, "name": "Role 1"}
+                    ]
+                }
+                JSON,
+                [
+                    7 => "Role 3",
+                    8 => "Role 2",
+                    9 => "Role 1",
+                ],
+            ],
+        ];
+    }
+
+    public function testListNamesCallsHttpClientOnlyOnce()
+    {
+        $client = AssertingHttpClient::create(
+            $this,
+            [
+                'GET',
+                '/roles.json',
+                'application/json',
+                '',
+                200,
+                'application/json',
+                <<<JSON
+                {
+                    "roles": [
+                        {
+                            "id": 1,
+                            "name": "Role 1"
+                        }
+                    ]
+                }
+                JSON,
+            ],
+        );
+
+        // Create the object under test
+        $api = new Role($client);
+
+        // Perform the tests
+        $this->assertSame([1 => 'Role 1'], $api->listNames());
+        $this->assertSame([1 => 'Role 1'], $api->listNames());
+        $this->assertSame([1 => 'Role 1'], $api->listNames());
+    }
+}
diff --git a/tests/Unit/Api/RoleTest.php b/tests/Unit/Api/RoleTest.php
index 53bebefc..208b3c5d 100644
--- a/tests/Unit/Api/RoleTest.php
+++ b/tests/Unit/Api/RoleTest.php
@@ -214,4 +214,36 @@ public function testListingCallsGetEveryTimeWithForceUpdate()
         $this->assertSame($expectedReturn, $api->listing(true));
         $this->assertSame($expectedReturn, $api->listing(true));
     }
+
+    /**
+     * Test listing().
+     */
+    public function testListingTriggersDeprecationWarning()
+    {
+        $client = $this->createMock(Client::class);
+        $client->method('requestGet')
+            ->willReturn(true);
+        $client->method('getLastResponseBody')
+            ->willReturn('{"roles":[{"id":1,"name":"Role 1"},{"id":5,"name":"Role 5"}]}');
+        $client->method('getLastResponseContentType')
+            ->willReturn('application/json');
+
+        $api = new Role($client);
+
+        // PHPUnit 10 compatible way to test trigger_error().
+        set_error_handler(
+            function ($errno, $errstr): bool {
+                $this->assertSame(
+                    '`Redmine\Api\Role::listing()` is deprecated since v2.7.0, use `Redmine\Api\Role::listNames()` instead.',
+                    $errstr,
+                );
+
+                restore_error_handler();
+                return true;
+            },
+            E_USER_DEPRECATED,
+        );
+
+        $api->listing();
+    }
 }