Last name ស៊ីម៉ូ (ស៊ីម៉ូ 
) , in all the world, is an extremely rare surname. The surname ស៊ីម៉ូ is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. More frequently, ស៊ីម៉ូ is the forename as well as the last name.