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