Cognomen ศิริเพชร (ศิริเพชร 
, Siripetch , Siripet 
) , all around the world, is a rare last name. The surname ศิริเพชร is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Likewise, ศิริเพชร is the forename as well as the last name.