Last name Трене (Trenet 
, Трене 
) , in all the world, is a rare cognomen. The last name Трене is characteristic of Bulgaria, where it is a rare surname, France, and Spain, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in France, Bulgaria, and the United States. Likewise, Трене is the forename as well as the last name.