| Red River Senior High School | |
| Streetaddress: | 915 East Carroll Street |
| City: | Coushatta |
| State: | Louisiana |
| County: | (Red River Parish) |
| Zipcode: | 71019 |
| Country: | USA |
| Principal: | Norman Picou |
| District: | Red River Parish School Board |
| Staff: | 28.00 (FTE) |
| Ratio: | 12.07 |
| Type: | Public high school |
| Enrollment: | 338[1] |
| Enrollment As Of: | 2021–22 |
| Campus: | (Urban/Country)--> |
| Colors: | Blue and silver |
| Mascot: | Bulldogs |
| Website: | https://rrhs.rrbulldogs.com/home |
Red River Senior High School is a public, secondary school in Coushatta, Louisiana, United States. It is part of the Red River Parish School District and serves students in grades nine through twelve. The school's mascot is the Bulldog.
Formerly known as Coushatta High School, Red River Senior High is located at 915 East Carroll Street on a shared campus with the district's junior high school.
Red River Senior High athletics competes in the LHSAA.