Cognomen สิงห์คำ (Singkham 
, Singkam 
, Singkum ) , across the world, is quite a rare surname. The family name สิงห์คำ is habitual in Thailand, where it is quite a rare surname, France, where it is a very rare surname, and India. Measured by absolute frequency, it is commonest in Thailand, India, and the United States. Very seldom, สิงห์คำ is the forename as well as the last name.