| Seton Catholic High School | |
| Streetaddress: | 233 South 5th Street |
| City: | Richmond, Indiana |
| County: | (Wayne County) |
| Zipcode: | 47374-5411 |
| Country: | United States |
| Coordinates: | 39.8256°N -84.8956°W |
| Religion: | Catholic |
| Denomination: | Roman Catholic |
| Principal: | Jane Brack |
| Chaplain: | Sengole Gnanaraj |
| Avg Class Size: | 13 |
| Type: | Private, coeducational |
| Grades: | 7–12 |
| Athletics: | Competitive |
| Conference: | PAAC |
| Slogan: | Meaning. Learning. Leading. |
| Fightsong: | "On Wisconsin" |
| Accreditation: | North Central Association of Colleges and Schools[1] |
| Team Name: | Cardinals |
| Colors: | Navy, red & gold |
| Established: | 2002 |
| Alumni: | Desmond Bane |
| Enrollment: | 152 |
| Enrollment As Of: | 2020-2021 |
| Free Label3: | Athletic Director |
Seton Catholic High School is a private, Roman Catholic high school in Richmond, Indiana. It is part of the Roman Catholic Diocese of Indianapolis.
The original Catholic high school in Richmond (St. Andrew) operated from 1899 to 1936 at the same location as Seton Catholic today, which opened in 2002. In 2009, Seton Catholic added a new gym to its campus, The Chuck Mosey Memorial Gymnasium.