Globally, ريسو (Riso 
, Risso , ريسو 
) is quite a rare epicene given name. The given name ريسو is characteristic of Slovakia, where it is quite a rare boy's name, Georgia, where it is a rare principally feminine, but very seldom masculine name, and Italy, where it is a rare epicene name. In absolute terms, it most frequently occurs in India, Japan, and Italy. More prevalently, ريسو is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Risso, Riso | Uruguay, Argentina, Brazil, Italy, United States |
| ريسو | Saudi Arabia, Egypt |
| Risø | Norway |