Cognomen Risiga (Risiga 
) , in all the world, is a very rare surname. The cognomen Risiga is habitual in Latin America and the Caribbean, particularly Argentina, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Very seldom, Risiga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Risiga | Brazil, Argentina, South Africa |