Cognomen ภิกษุณี (ภิกษุณี 
, Pirakrit , Nunant ) , in the entire world, is a very rare family name. The last name ภิกษุณี is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ภิกษุณี is the forename as well as the last name.