Around the world, เก่งเจริญ (เก่งเจริญ, Cuenhcaroen 
, Kengjaroen ) is an extremely rare unknown gender forename. Much more prevalently, เก่งเจริญ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kengcharoen, Kengjaroen, Cuenhcaroen | Thailand |