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