St. Thomas Aquinas High School is a private, Catholic, college-preparatory high school in Fort Lauderdale, Florida, United States. The school was founded in 1936 as part of St. Anthony School and moved to its current location in southwest Fort Lauderdale in 1952. It is sponsored by the Archdiocese of Miami and accredited by the Southern Association of Colleges and Schools. The school currently enrolls 2,420 students on its 25-acre (100,000 m²) campus.

The Raiders athletic teams have won over 100 state championships and have achieved a national profile. Graduates of St. Thomas Aquinas include numerous professional athletes, thirteen Olympians, prominent state politicians, and award-winning authors and actors.