Family name شتين (Çetin 
, شتين 
) , in the world, is a common surname. The last name شتين is characteristic of Turkey, where it is quite a common surname, Cyprus, where it is quite a rare surname, and Turkmenistan. Measured by absolute frequency, it most frequently occurs in Western Asia, particularly Turkey, Iraq, and Azerbaijan. Very seldom, شتين is the forename as well as the last name.