In the entire world, Guertin (Guertin 
, 格廷 
) is a rare mostly female, but seldom boy's forename. The given name Guertin is characteristic of the Democratic Republic of the Congo, where it is a rare female name, and China, where it is an extremely rare epicene name. More frequently, Guertin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Guertin | United Kingdom, United States, Canada, France, Democratic Republic of the Congo |
| 格廷 | China |