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