Family name สิงห์เพ็ชร (สิงห์เพ็ชร 
) , in the world, is a very rare last name. The surname สิงห์เพ็ชร is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, สิงห์เพ็ชร is the forename as well as the last name.