Family name သိမ္းသိမ္း (သိမ္းသိမ္း 
) , around the world, is a very rare cognomen. The surname သိမ္းသိမ္း is characteristic of South-eastern Asia, particularly Myanmar, where it is a very rare surname. Also, သိမ္းသိမ္း is the forename as well as the last name.