Cognomen Pahm (Pahm 
) , all around the world, is a rare last name. The last name Pahm is habitual in Vietnam, where it is a rare surname, Philippines, where it is a very rare surname, and Georgia. Not in comparison with a country's population, it is the most numerous in Vietnam, Philippines, and the United States. Much less frequently, Pahm is the forename as well as the last name.