Cognomen สามคำ (Samkham 
, Samkam 
, สามคำ) , worldwide, is a rare surname. The cognomen สามคำ is habitual in Thailand, where it is a rare surname, Myanmar, where it is a very rare surname, and Nicaragua. Not in comparison with a country's population, this name is the most popular in Thailand, India, and Myanmar. Very seldom, สามคำ is the forename as well as the last name.