Family name Subul (Subul 
) , in all the world, is a rare surname. The surname Subul is characteristic of Papua New Guinea, where it is quite a rare surname, Indonesia, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Subul is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Subul | Papua New Guinea, India, Indonesia, Pakistan, United States |