Cognomen 克勤 (克勤 
, Keqin 
) , around the globe, is a common surname. The last name 克勤 is characteristic of Eastern Asia, particularly China, where it is a rare surname. More frequently, 克勤 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 克勤 | China |
| Keqin | China, Malaysia, Australia, United States, Canada |