Family name Potoc (Potoc 
) , globally, is a rare last name. The surname Potoc is habitual in Eastern Europe, particularly Romania, where it is a rare surname, Czechia, and Poland, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Romania, Poland, and Argentina. Much less frequently, Potoc is the forename as well as the last name.