Family name Dorma (Dorma 
, Дорма 
, دورما) , all over the world, is a rare cognomen. The cognomen Dorma is habitual in Jamaica, where it is quite a rare surname, Canada, where it is a rare surname, and Italy, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Indonesia, Thailand, and Jamaica. More prevalently, Dorma is the forename as well as the last name.