Last name Sikin (Sikin 
, Сикин 
) , globally, is quite a rare surname. The last name Sikin is habitual in Malaysia, where it is quite a rare surname, Papua New Guinea, and Singapore, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, Malaysia, and Papua New Guinea. Also, Sikin is the forename as well as the last name.