>
Cognomen Dongan (东安 , 冬安 , Dongan ) , throughout the world, is quite a rare family name. The surname Dongan is habitual in Ireland, where it is a rare surname, China, where it is a very rare surname, and Indonesia. Not in comparison with a country's population, the name is most common in China, Indonesia, and Philippines. More frequently, Dongan is the forename as well as the last name.