Family name ออสการ์ (Otka 
, ออสการ์ 
, Occarach ) , in all the world, is a rare surname. The surname ออสการ์ is characteristic of Poland, where it is a rare surname, Australia, where it is a very rare surname, and Thailand. Measured by absolute frequency, it is the most numerous in Poland, Brazil, and the United States. Also, ออสการ์ is the forename as well as the last name.