Cognomen 宪吾 (宪吾 
) , around the globe, is a very rare last name. The cognomen 宪吾 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 宪吾 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 宪吾 | China |