Family name ស្ម័គ្រ (ស្ម័គ្រ 
) , in the entire world, is an extremely rare surname. The cognomen ស្ម័គ្រ is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. Much more frequently, ស្ម័គ្រ is the forename as well as the last name.