Cognomen Хеллен (Hellen 
, Хеллен 
) , throughout the world, is a common last name. The surname Хеллен is habitual in Nicaragua, where it is quite a common surname, Nigeria, and Uganda, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Sub-Saharan Africa, particularly Nigeria, Uganda, and Kenya. More frequently, Хеллен is the forename as well as the last name.