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