Surname Бетул (Betül 
, Betul 
, Betoul 
) , in all the world, is quite a rare last name. The cognomen Бетул is habitual in Ethiopia, where it is a rare surname, Turkey, and Belgium. Measured by absolute frequency, the name is most common in Ethiopia, Indonesia, and Turkey. Predominantly, Бетул is the forename as well as the last name.