Family name Osatan (Osatan 
) , globally, is a very rare last name. The last name Osatan 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, Osatan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osatan | India, Brazil, Thailand, Philippines |