Last name Smim (Sim 
, Smim 
) , across the world, is a widespread surname. The cognomen Smim is habitual in South-eastern Asia, particularly Malaysia, where it is a common surname, Singapore, and Brunei (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in South-eastern Asia, particularly Malaysia, Singapore, and Indonesia. Much less frequently, Smim is the forename as well as the last name.