Family name Трин (Trine 
, Treen 
, Трин 
) , in the world, is quite a rare cognomen. The surname Трин is characteristic of Norway, where it is quite a rare surname, Belgium, where it is a rare surname, and New Zealand. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Canada. More prevalently, Трин is the forename as well as the last name.