Surname Tatul (Татул 
, Tatul 
, Крпеян ) , worldwide, is quite a rare last name. The family name Tatul is habitual in Armenia, where it is quite a common surname, Guatemala, where it is a rare surname, and Lithuania. Not in comparison with a country's population, it is the most numerous in Armenia, Guatemala, and Russia. Also, Tatul is the forename as well as the last name.