Worldwide, 兰嘉 (兰嘉 
) is a very rare boy's given name. The first name 兰嘉 is habitual in Eastern Asia, particularly China, where it is an extremely rare boy's name. Much less frequently, 兰嘉 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 兰嘉 | China |