Last name Oan (Oan 
, Оань 
) , throughout the world, is quite a rare family name. The last name Oan is habitual in Libya, where it is quite a rare surname, Malaysia, where it is a rare surname, and Egypt. Not in comparison with a country's population, the name is most common in Egypt, Myanmar, and Malaysia. Also, Oan is the forename as well as the last name.