Surname 兰萤 (兰萤 
) , around the globe, is a very rare last name. The family name 兰萤 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 兰萤 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 兰萤 | China |