Family name Fmu (Fmu 
) , around the globe, is a very rare cognomen. The last name Fmu is characteristic of Brazil, where it is a very rare surname, Spain, where it is an extremely rare surname, and the United States. Also, Fmu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fmu | Germany, Spain, United States, Thailand, Brazil |