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