Family name 勤瑛 (勤瑛 
) , throughout the world, is a very rare surname. The cognomen 勤瑛 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 勤瑛 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 勤瑛 | China |