Last name Betia (Betia 
, Бетя 
) , across the world, is a rare cognomen. The surname Betia is habitual in Cameroon, where it is quite a rare surname, Philippines, where it is a rare surname, and Georgia, where it is a very rare surname. In absolute terms, this name is the most popular in Philippines, Cameroon, and Indonesia. Also, Betia is the forename as well as the last name.