Across the world, 瑞鴻 (瑞鴻 
) is a very rare male forename. The forename 瑞鴻 is habitual in Eastern Asia, particularly China, where it is an extremely rare male name. Much less frequently, 瑞鴻 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 瑞鴻 | China |