Last name Ampuan (Ampuan 
) , across the world, is a common surname. The family name Ampuan is habitual in Philippines, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and Kuwait. Measured by absolute frequency, it most frequently occurs in Philippines, Saudi Arabia, and United Arab Emirates. Very seldom, Ampuan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ampuan | Philippines, Brunei, United Arab Emirates, Saudi Arabia, Indonesia |