Cognomen Xer (Xer 
, Хер 
) , across the world, is a rare last name. The family name Xer is characteristic of Malta, where it is quite a rare surname, Myanmar, where it is a rare surname, and Saudi Arabia, where it is a very rare surname. In absolute terms, the name is most common in Indonesia, Myanmar, and Saudi Arabia. Likewise, Xer is the forename as well as the last name.