Cognomen Trene (Train 
, Trene 
) , in the world, is quite a common last name. The cognomen Trene is characteristic of North Macedonia, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Australia. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and France. Very seldom, Trene is the forename as well as the last name.