Cognomen ស៊ីណារ៉ា (ស៊ីណារ៉ា 
) , in all the world, is an extremely rare surname. The surname ស៊ីណារ៉ា is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. Much more prevalently, ស៊ីណារ៉ា is the forename as well as the last name.