Family name Krastin (Krastin 
, Крастин 
) , in the world, is a rare last name. The cognomen Krastin is characteristic of Bulgaria, where it is a rare surname, Russia, where it is a very rare surname, and South Africa. In absolute terms, the name is most common in Russia, Bulgaria, and the United States. Likewise, Krastin is the forename as well as the last name.