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