Surname Trevan (Trevan 
) , throughout the world, is a rare last name. The surname Trevan is habitual in Australia, where it is a rare surname, the United Kingdom, where it is a very rare surname, and the United States. More prevalently, Trevan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trevan | Jamaica, Australia, United States, United Kingdom, South Africa |
|
john william trevan British chemist, GB (b. 1887) |
|