Family name ศิริสุข (Sirisouk 
, ศิริสุข , Sirisuk 
) , in the entire world, is quite a rare surname. The last name ศิริสุข is habitual in Laos, where it is quite a common surname, Thailand, where it is quite a rare surname, and France, where it is a very rare surname. In absolute terms, it is commonest in Thailand, Laos, and the United States. Also, ศิริสุข is the forename as well as the last name.