diff --git a/group_members.go b/group_members.go
index cc7bbd6eb..cdf225c3d 100644
--- a/group_members.go
+++ b/group_members.go
@@ -158,6 +158,32 @@ func (s *GroupMembersService) GetGroupMember(gid interface{}, user int, options
 	return gm, resp, nil
 }
 
+// GetInheritedGroupMember get a member of a group or project, including
+// inherited and invited members
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/members.html#get-a-member-of-a-group-or-project-including-inherited-and-invited-members
+func (s *GroupMembersService) GetInheritedGroupMember(gid interface{}, user int, options ...RequestOptionFunc) (*GroupMember, *Response, error) {
+	group, err := parseID(gid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("groups/%s/members/all/%d", PathEscape(group), user)
+
+	req, err := s.client.NewRequest(http.MethodGet, u, nil, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	gm := new(GroupMember)
+	resp, err := s.client.Do(req, gm)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return gm, resp, err
+}
+
 // BillableGroupMember represents a GitLab billable group member.
 //
 // GitLab API docs: https://docs.gitlab.com/ee/api/members.html#list-all-billable-members-of-a-group
diff --git a/group_members_test.go b/group_members_test.go
index 6ee93cecf..c6e536503 100644
--- a/group_members_test.go
+++ b/group_members_test.go
@@ -24,6 +24,7 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestListBillableGroupMembers(t *testing.T) {
@@ -346,3 +347,59 @@ func TestGetGroupMemberCustomRole(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, want, member)
 }
+
+func TestGetGroupMemberAll(t *testing.T) {
+	mux, client := setup(t)
+
+	path := fmt.Sprintf("/%sgroups/1/members/all/2", apiVersionPath)
+	mux.HandleFunc(path, func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, http.MethodGet)
+
+		fmt.Fprint(w, `
+		{
+		  "id": 2,
+		  "name": "aaa",
+		  "username": "aaaName",
+		  "state": "active",
+		  "avatar_url": "https://secure.gravatar.com/avatar/e547676d82f1e16954b2280a5b4cbe79?s=80&d=identicon",
+		  "web_url": "https://gitlab.example.cn/aaa",
+		  "access_level": 30,
+		  "created_at": "2024-06-19T07:14:02.793Z",
+		  "expires_at": null
+		}
+		`)
+	})
+
+	createAt, _ := time.Parse(time.RFC3339, "2024-06-19T07:14:02.793Z")
+
+	want := &GroupMember{
+		ID:          2,
+		Name:        "aaa",
+		Username:    "aaaName",
+		State:       "active",
+		AvatarURL:   "https://secure.gravatar.com/avatar/e547676d82f1e16954b2280a5b4cbe79?s=80&d=identicon",
+		WebURL:      "https://gitlab.example.cn/aaa",
+		AccessLevel: AccessLevelValue(30),
+		CreatedAt:   &createAt,
+	}
+
+	pm, resp, err := client.GroupMembers.GetInheritedGroupMember(1, 2, nil, nil)
+	require.NoError(t, err)
+	require.NotNil(t, resp)
+	require.Equal(t, want, pm)
+
+	member, resp, err := client.GroupMembers.GetInheritedGroupMember(1.01, 2, nil, nil)
+	require.EqualError(t, err, "invalid ID type 1.01, the ID must be an int or a string")
+	require.Nil(t, resp)
+	require.Nil(t, member)
+
+	member, resp, err = client.GroupMembers.GetInheritedGroupMember(1, 1, nil, errorOption)
+	require.EqualError(t, err, "RequestOptionFunc returns an error")
+	require.Nil(t, resp)
+	require.Nil(t, member)
+
+	member, resp, err = client.GroupMembers.GetInheritedGroupMember(2, 1, nil, nil)
+	require.Error(t, err)
+	require.Nil(t, member)
+	require.Equal(t, http.StatusNotFound, resp.StatusCode)
+}