Cognomen Suphab (Suphab 
) , worldwide, is a rare surname. The family name Suphab is habitual in Laos, where it is quite a rare surname, Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Laos, Thailand, and India. Likewise, Suphab is the forename as well as the last name.