In the world, Trelles (Trelles 
) is a rare primarily female, but very seldom masculine first name. The first name Trelles is habitual in Cuba, where it is a rare female name, and the United States, where it is an extremely rare gender-neutral name. More prevalently, Trelles is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Trelles | Spain, Mexico, United States, Argentina, Peru |