Cognomen 鲁洁 (鲁洁 
) , in the entire world, is a very rare family name. The surname 鲁洁 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 鲁洁 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 鲁洁 | China |