Family name 函鞠 (函鞠 
) , all around the world, is a very rare last name. The cognomen 函鞠 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 函鞠 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 函鞠 | China |