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