Cognomen Dorotheos (Dorotheos 
, Доротей 
, Δωρόθεος) , all around the world, is a rare family name. The cognomen Dorotheos is habitual in Greece, where it is quite a rare surname, Bulgaria, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, Dorotheos is the forename as well as the last name.