Cognomen Itason (Itason 
) , around the world, is a very rare surname. The family name Itason is habitual in Thailand, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Very seldom, Itason is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Itason | Nigeria, United States, Brazil, Thailand |