Surname Tefan (Tefan 
) , across the world, is quite a rare last name. The family name Tefan is characteristic of Eastern Europe, particularly Romania, where it is quite a common surname, Slovakia, where it is a rare surname, and Czechia. In absolute terms, it most frequently occurs in Romania, China, and Czechia. Very seldom, Tefan is the forename as well as the last name.