Surname พลัม (Plum 
, พลัม 
, Plalum 
) , around the world, is quite a common cognomen. The family name พลัม is characteristic of Denmark, where it is quite a rare surname, Germany, and Netherlands. Not in comparison with a country's population, it is commonest in Germany, the United States, and Denmark. Very seldom, พลัม is the forename as well as the last name.