| Fort Thomas High School | |
| Principal: | McKay DeSpain |
| Schooltype: | Public high school |
| Grades: | 7-12 |
| Address: | 15502 W. Hwy 70 |
| City: | Fort Thomas, Arizona |
| Zipcode: | 85536 |
| Country: | USA |
| District: | Fort Thomas Unified School District |
| Enrollment: | 252 (2022–23)[1] |
| Teaching Staff: | 24.00 (FTE) |
| Ratio: | 10.50 |
| Mascot: | Apaches |
| Colors: | Royal blue and gold [2] |
Fort Thomas High School is a high school serving grades 7–12 in Fort Thomas, Arizona. It is operated by the Fort Thomas Unified School District, which also operates an elementary school. Combined, the two schools have some 600 students; 93% of the student body is Native American. The original school building, used since 1925 and renovated since, was damaged in a 1959 fire and restored later in the year.