Surname Trecian (Trecian 
) , across the world, is a very rare last name. The family name Trecian is habitual in Morocco, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Trecian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trecian | Philippines, Morocco, United States |