Last name Pontoux (Pontoux 
) , in the world, is a very rare cognomen. The family name Pontoux is habitual in Western Europe, particularly France, where it is a very rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pontoux | France, Germany |
| françoise de pontoux, dame de deroux et charnailles |
|