| Type: | Bishop |
| Louis Dufaux | |
| Bishop Emeritus of Grenoble | |
| Church: | Roman Catholic Church |
| See: | Diocese of Grenoble-Vienne |
| Ordination: | 29 June 1955 |
| Consecration: | 29 April 1984 |
| Birth Date: | 21 October 1931 |
| Birth Place: | Nice, France |
| Death Place: | Nice, France |
Louis Jean Dufaux (21 October 1931 - 14 April 2011) was the Roman Catholic bishop of the Roman Catholic Diocese of Grenoble-Vienne, France.
Ordained to the priesthood in 1958, Dufaux was named an auxiliary bishop in 1984. In 1988, he was named coadjutor bishop of the Grenoble-Vienne Diocese becoming bishop in 1989. Bishop Dufaux retired in 2006.[1]