Cognomen 柳生 (柳生 
) , in all the world, is a rare family name. The surname 柳生 is habitual in Eastern Asia, particularly China, where it is a very rare surname. More prevalently, 柳生 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 柳生 | China |
| 柳生六郎 JP (b. 1893) |
|