Cognomen Bitan-Aw (Bitan-Aw 
) , in all the world, is a very rare last name. The family name Bitan-Aw is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare surname. Parts of the name also exists independently as a first name Bitan, and a last name Aw.
| VARIANT | COUNTRY |
|---|---|
| Bitan-Aw | Philippines |