Family name Kolongan (Kolongan 
) , globally, is a very rare surname. The surname Kolongan is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare surname, Philippines, and Malaysia, where it is an extremely rare surname. Much less frequently, Kolongan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kolongan | Malaysia, Indonesia, Philippines |