Family name Rontó (Rontó 
) , around the world, is a very rare cognomen. The surname Rontó is habitual in Eastern Europe, particularly Hungary, where it is a rare surname. Very seldom, Rontó is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rontó | Hungary |
| rontó györgyi Hungarian biophysicist, HU (b. 1934) |
|