Family name Tengku Zulkarnain (Tengku Zulkarnain 
) , globally, is an extremely rare cognomen. Much more frequently, Tengku Zulkarnain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tengku Zulkarnain | Malaysia |
Mohd, Shah, Tengku Mohd, and Tengku Ab Hamid