Family name Tengku Aslahuddin Jaafar (Tengku Aslahuddin Jaafar 
) , in all the world, is an extremely rare surname. Much more prevalently, Tengku Aslahuddin Jaafar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tengku Aslahuddin Jaafar | Malaysia |