Cognomen Thronus (Tron 
, Thron 
, Trono ) , in the entire world, is a common surname. The surname Thronus is habitual in Philippines, where it is quite a rare surname, Mauritius, and France. Not in comparison with a country's population, it most frequently occurs in Philippines, France, and Germany. Very seldom, Thronus is the forename as well as the last name.