| Tanner High School | |
| Streetaddress: | 12060 Sommers Road |
| County: | Limestone County |
| City: | Tanner |
| State: | Alabama |
| Zipcode: | 35671 |
| Country: | United States |
| Type: | Public |
| District: | Limestone County School District |
| Grades: | 6-12 |
| Ceeb: | 012605 |
| Principal: | Maurice Shingleton |
| Hours In Day: | ~9 |
| Staff: | 28.50 (FTE) |
| Ratio: | 16.28 |
| Enrollment: | 464 (2017–18)[1] |
| Colors: | Green and white |
| Team Name: | Rattlers |
Tanner High School is a K–12 school located in Tanner, Alabama. It is a part of the Limestone County School District.
On December 7, 2012, the Tanner Rattlers Football team made history by winning its first 2A Championship. The Rattlers beat the Washington County Bulldogs 28 to 14. On December 6, 2013, the Rattlers won their second 2A state championship in a rematch against the Washington County Bulldogs 21 to 13. Oscar Bonds is the current head coach.
The school's basketball boys and girls teams both won state titles in 1985 and 2011 and are the only school in Alabama to do so. The current head coaches are Dale Taylor (boys) and Jordan Paul (girls).