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