Cognomen ผม (Phom 
, ผม , Tohair ) , in all the world, is quite a rare last name. The cognomen ผม is characteristic of Myanmar, where it is a rare surname, Cambodia, and India, where it is a very rare surname. In absolute terms, the name is most common in India, Myanmar, and the United States. Likewise, ผม is the forename as well as the last name.