Family name Яшен (Yashen 
, Yaşen 
, Яшен 
) , across the world, is a rare last name. The cognomen Яшен is characteristic of Nigeria, where it is a very rare surname, Ukraine, and Venezuela, where it is an extremely rare surname. In absolute terms, it is the most numerous in Nigeria, India, and Ukraine. More frequently, Яшен is the forename as well as the last name.