In the entire world, Onisto (Onisto 
) is a very rare boy's given name. The first name Onisto is habitual in Southern Europe, particularly Italy, where it is a very rare male name. More prevalently, Onisto is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Onisto | Brazil, France, Canada, United States, Italy |
Mr, Andre, Anair, Anton, Atila, Bruno, Paulo, Pedro, Renan, Denny, Dante, David, Diane, Laura, Linda, Lidia, Lucio, Luiza, Luzia, Luana, Jamie, João, Allyn, Jesse, Steve, Sarah, Ms, Ana, Sara, Ageu, Caio, Kaue, Rita, Geci, Luca, Luis, Luiz, Jose, John, Joao, Nair, Elza, Emma, Yano, Maria, Marta, Mauro, Selma, and Jilly