Globally, Fiss (Fiso 
, 菲斯 
, Fiss 
) is a rare epicene given name. The first name Fiss is habitual in Georgia, where it is a rare female name, the Democratic Republic of the Congo, where it is a rare boy's name, and South Africa, where it is a rare unisex name. Not in comparison with a country's population, it most frequently occurs in the Democratic Republic of the Congo, South Africa, and China. More prevalently, Fiss is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Fiso | South Africa, Zimbabwe, Canada, Ethiopia, United States |
| 菲斯 | China |
| Fiss | Germany, Brazil, Indonesia, United States, Democratic Republic of the Congo |