Family name กสิกุล (Kasikul 
, กสิกุล , Kasakul 
) , globally, is a rare surname. The last name กสิกุล is habitual in Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, กสิกุล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kasikul | United States, Thailand, India |
| กสิกุล | Thailand |
| Kasakul | Thailand, Malaysia |