Cognomen Славен (Slaven 
, Славен 
) , in the entire world, is quite a rare family name. The last name Славен is characteristic of North Macedonia, where it is quite a rare surname, Australia, and the United Kingdom. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Australia. Likewise, Славен is the forename as well as the last name.