Family name Polahan (Polahan 
) , globally, is a very rare cognomen. The last name Polahan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Much less frequently, Polahan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Polahan | Thailand, India, Philippines |