diff --git a/docs/gl_objects/merge_requests.rst b/docs/gl_objects/merge_requests.rst
@@ -144,6 +144,10 @@ List the changes of a MR::
 
     changes = mr.changes()
 
+List issues related to this merge request::
+
+    related_issues = mr.related_issues()
+
 List issues that will close on merge::
 
     mr.closes_issues()

diff --git a/gitlab/v4/objects/merge_requests.py b/gitlab/v4/objects/merge_requests.py
@@ -197,6 +197,35 @@ def cancel_merge_when_pipeline_succeeds(self, **kwargs: Any) -> Dict[str, str]:
             assert isinstance(server_data, dict)
         return server_data
 
+    @cli.register_custom_action(cls_names="ProjectMergeRequest")
+    @exc.on_http_error(exc.GitlabListError)
+    def related_issues(self, **kwargs: Any) -> RESTObjectList:
+        """List issues related to this merge request."
+
+        Args:
+            all: If True, return all the items, without pagination
+            per_page: Number of items to retrieve per request
+            page: ID of the page to return (starts with page 1)
+            **kwargs: Extra options to send to the server (e.g. sudo)
+
+        Raises:
+            GitlabAuthenticationError: If authentication is not correct
+            GitlabListError: If the list could not be retrieved
+
+        Returns:
+            List of issues
+        """
+
+        path = f"{self.manager.path}/{self.encoded_id}/related_issues"
+        data_list = self.manager.gitlab.http_list(path, iterator=True, **kwargs)
+
+        if TYPE_CHECKING:
+            assert isinstance(data_list, gitlab.GitlabList)
+
+        manager = ProjectIssueManager(self.manager.gitlab, parent=self.manager._parent)
+
+        return RESTObjectList(manager, ProjectIssue, data_list)
+
     @cli.register_custom_action(cls_names="ProjectMergeRequest")
     @exc.on_http_error(exc.GitlabListError)
     def closes_issues(self, **kwargs: Any) -> RESTObjectList:

diff --git a/tests/unit/objects/test_merge_requests.py b/tests/unit/objects/test_merge_requests.py
@@ -9,8 +9,10 @@
 import pytest
 import responses
 
+from gitlab.base import RESTObjectList
 from gitlab.v4.objects import (
     ProjectDeploymentMergeRequest,
+    ProjectIssue,
     ProjectMergeRequest,
     ProjectMergeRequestReviewerDetail,
 )
@@ -57,6 +59,78 @@
     }
 ]
 
+related_issues = [
+    {
+        "id": 1,
+        "iid": 1,
+        "project_id": 1,
+        "title": "Fake Title for Merge Requests via API",
+        "description": "Something here",
+        "state": "closed",
+        "created_at": "2024-05-14T04:01:40.042Z",
+        "updated_at": "2024-06-13T05:29:13.661Z",
+        "closed_at": "2024-06-13T05:29:13.602Z",
+        "closed_by": {
+            "id": 2,
+            "name": "Sam Bauch",
+            "username": "kenyatta_oconnell",
+            "state": "active",
+            "avatar_url": "https://www.gravatar.com/avatar/956c92487c6f6f7616b536927e22c9a0?s=80&d=identicon",
+            "web_url": "http://gitlab.example.com/kenyatta_oconnell",
+        },
+        "labels": [
+            "FakeCategory",
+            "fake:ml",
+        ],
+        "assignees": [
+            {
+                "id": 2,
+                "name": "Sam Bauch",
+                "username": "kenyatta_oconnell",
+                "state": "active",
+                "avatar_url": "https://www.gravatar.com/avatar/956c92487c6f6f7616b536927e22c9a0?s=80&d=identicon",
+                "web_url": "http://gitlab.example.com/kenyatta_oconnell",
+            }
+        ],
+        "author": {
+            "id": 2,
+            "name": "Sam Bauch",
+            "username": "kenyatta_oconnell",
+            "state": "active",
+            "avatar_url": "https://www.gravatar.com/avatar/956c92487c6f6f7616b536927e22c9a0?s=80&d=identicon",
+            "web_url": "http://gitlab.example.com//kenyatta_oconnell",
+        },
+        "type": "ISSUE",
+        "assignee": {
+            "id": 4459593,
+            "username": "fakeuser",
+            "name": "Fake User",
+            "state": "active",
+            "locked": False,
+            "avatar_url": "https://example.com/uploads/-/system/user/avatar/4459593/avatar.png",
+            "web_url": "https://example.com/fakeuser",
+        },
+        "user_notes_count": 9,
+        "merge_requests_count": 0,
+        "upvotes": 1,
+        "downvotes": 0,
+        "due_date": None,
+        "confidential": False,
+        "discussion_locked": None,
+        "issue_type": "issue",
+        "web_url": "https://example.com/fakeorg/fakeproject/-/issues/461536",
+        "time_stats": {
+            "time_estimate": 0,
+            "total_time_spent": 0,
+            "human_time_estimate": None,
+            "human_total_time_spent": None,
+        },
+        "task_completion_status": {"count": 0, "completed_count": 0},
+        "weight": None,
+        "blocking_issues_count": 0,
+    }
+]
+
 
 @pytest.fixture
 def resp_list_merge_requests():
@@ -93,6 +167,26 @@ def resp_get_merge_request_reviewers():
         yield rsps
 
 
+@pytest.fixture
+def resp_list_merge_requests_related_issues():
+    with responses.RequestsMock() as rsps:
+        rsps.add(
+            method=responses.GET,
+            url="http://localhost/api/v4/projects/1/merge_requests/1",
+            json=mr_content,
+            content_type="application/json",
+            status=200,
+        )
+        rsps.add(
+            method=responses.GET,
+            url="http://localhost/api/v4/projects/1/merge_requests/1/related_issues",
+            json=related_issues,
+            content_type="application/json",
+            status=200,
+        )
+        yield rsps
+
+
 def test_list_project_merge_requests(project, resp_list_merge_requests):
     mrs = project.mergerequests.list()
     assert isinstance(mrs[0], ProjectMergeRequest)
@@ -115,3 +209,13 @@ def test_get_merge_request_reviewers(project, resp_get_merge_request_reviewers):
     assert mr.reviewers[0]["name"] == reviewers_details[0].user["name"]
     assert reviewers_details[0].state == "unreviewed"
     assert reviewers_details[0].created_at == "2022-07-27T17:03:27.684Z"
+
+
+def test_list_related_issues(project, resp_list_merge_requests_related_issues):
+    mr = project.mergerequests.get(1)
+    this_mr_related_issues = mr.related_issues()
+    the_issue = next(iter(this_mr_related_issues))
+    assert isinstance(mr, ProjectMergeRequest)
+    assert isinstance(this_mr_related_issues, RESTObjectList)
+    assert isinstance(the_issue, ProjectIssue)
+    assert the_issue.title == related_issues[0]["title"]