Family name Jaifun (Jaifun 
) , all over the world, is a very rare last name. The surname Jaifun is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Much more frequently, Jaifun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaifun | India, Thailand |