Family name ซิดดิ๊ก (Sitdik 
, ซิดดิ๊ก) , across the world, is an extremely rare cognomen. The surname ซิดดิ๊ก is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname. More frequently, ซิดดิ๊ก is the forename as well as the last name.