Surname سينيك (Sinik 
, Cenek 
, سينيك 
) , around the globe, is quite a rare cognomen. The cognomen سينيك is habitual in Bosnia and Herzegovina, where it is quite a rare surname, Czechia, and Serbia. Measured by absolute frequency, it is commonest in Czechia, Turkey, and Bosnia and Herzegovina. Very seldom, سينيك is the forename as well as the last name.