Cognomen 鲁乐 (鲁乐 
) , all over the world, is a very rare family name. The last name 鲁乐 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 鲁乐 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 鲁乐 | China |