Family name Trusen (Trusen 
) , throughout the world, is a very rare last name. The cognomen Trusen is habitual in Germany, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. Much less frequently, Trusen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trusen | Germany, United Kingdom, United States, India, Brazil |
| johann p. trusen (b. 1797) |
|
|
| winfried trusen (b. 1924) |
|