Family name Trusan (Trusan 
) , in the entire world, is a rare last name. The last name Trusan is habitual in Romania, where it is a rare surname, Malaysia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Romania, Philippines, and Russia. Much less frequently, Trusan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trusan | Philippines, Romania, Russia, Malaysia, United States |