Family name Phanh (Phanh 
, Frein 
) , all around the world, is quite a rare last name. The last name Phanh is habitual in Laos, where it is quite a rare surname, France, where it is a rare surname, and Switzerland. Not in comparison with a country's population, the name is most common in Laos, the United States, and France. Also, Phanh is the forename as well as the last name.