Surname 杰龙 (杰龙 
, Geron 
) , all around the world, is a common cognomen. The family name 杰龙 is characteristic of Philippines, where it is quite a rare surname, Belgium, and United Arab Emirates. Not in comparison with a country's population, it is the most numerous in Philippines, Mexico, and China. Likewise, 杰龙 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 杰龙 | China |
| Geron | Philippines, France, Argentina, India, Mexico |