Surname Tachen (Tachen 
, Ташен 
) , all around the world, is a rare family name. The surname Tachen is habitual in Kazakhstan, where it is a rare surname, France, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, it is commonest in France, Nigeria, and Kazakhstan. More frequently, Tachen is the forename as well as the last name.