| Church Name: | St. John Vianney Catholic Church |
| Denomination: | Catholic |
| Coordinates: | 43.0543°N -88.1293°W |
| Pushpin Map: | Wisconsin#USA |
| Country: | United States |
| Pastor: | Very Rev. Father Marco Valentini |
St. John Vianney Catholic Church is a large parish in Brookfield, Waukesha County, Wisconsin, United States, and is part of the Greater Milwaukee area. St. John Vianney Catholic Church is part of the Roman Catholic Archdiocese of Milwaukee. Their associate pastor is Father Zachary Galante.
The parish operates St. John Vianney School.
| St. John Vianney Catholic School | |
| Principal: | Kathy Davis |
| Grades: | K3 to 8th |
| Enrollment: | 300 students |
| Enrollment As Of: | 2022 |
Jean Vianney was a French parish priest who became a Catholic saint and the patron saint of parish priests.