Surname Prohon (Prohon 
) , in the entire world, is a very rare family name. The last name Prohon is habitual in France, where it is a very rare surname, Canada, where it is an extremely rare surname, and Brazil. Much less frequently, Prohon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prohon | United States, India, Canada, France, Brazil |