Cognomen Volcae (Olasz 
, Volcae) , all around the world, is quite a rare family name. The surname Volcae is habitual in Eastern Europe, particularly Hungary, where it is quite a common surname, Romania, where it is a rare surname, and Poland. Not in comparison with a country's population, this name is the most popular in Hungary, Romania, and Germany. Very seldom, Volcae is the forename as well as the last name.