Family name Jantonio (Jantonio 
) , in the entire world, is a very rare last name. The family name Jantonio is characteristic of the United States, where it is an extremely rare surname, and Brazil. Likewise, Jantonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jantonio | Spain, Mexico, United States, India, Brazil |
| don jantonio college basketball player (1995–1997) Ohio State |
|