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