Surname Jamjahi (Jamjahi 
) , all over the world, is a very rare family name. The cognomen Jamjahi is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname, and Malaysia. Much less frequently, Jamjahi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jamjahi | Malaysia, Philippines |