Cognomen 月輝 (月輝 
, Gekki 
) , across the world, is an extremely rare family name. The family name 月輝 is habitual in Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, 月輝 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 月輝 | China |
| Gekki | Turkey, India |