Across the world, Penyu (Пеню 
, Penyu 
, เป็นอยู่) is quite a rare masculine first name. The first name Penyu is habitual in Bulgaria, where it is quite a common boy's name, Greece, where it is a rare masculine name, and Indonesia, where it is a very rare male name. Also, Penyu is the last name as well as the forename.