Last name Risci (Risci 
) , worldwide, is a very rare family name. The cognomen Risci is habitual in Indonesia, where it is a very rare surname, Nicaragua, and Brazil, where it is an extremely rare surname. More prevalently, Risci is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Risci | Indonesia, Brazil, United States, Nicaragua |