Family name จุลกุล (Julakun 
, Chulakul , จุลกุล ) , in the world, is a rare surname. The cognomen จุลกุล is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, จุลกุล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chulakul, Julakun | Thailand, India |
| จุลกุล, Jullankul | Thailand |