Worldwide, Fannus (Fannus 
) is a very rare mostly female, but uncommonly male first name. The given name Fannus is habitual in Southern Asia, particularly India, where it is an extremely rare largely girly, but uncommonly masculine name. Very seldom, Fannus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Fannus | India, United States |