Fort Walton Beach High School is a secondary school located in the center of Fort Walton Beach, Florida. Lindsay Smith is the current principal. Placement classes have an open enrollment policy. The athletic program offers football, basketball, soccer, wrestling, softball, baseball, swimming, cross country, track, volleyball, girls and boys weightlifting. The Vikings have won two state championships in football, two state championships in girls basketball, and one state championship in boys weightlifting.

Fort Walton Beach High School serves residents of Fort Walton Beach, Navarre, Mary Esther, Crestview, and Destin.

On November 15 2022, during a visit to Fort Walton Beach High School, Florida Governor Ron DeSantis announced 114 Florida schools would be designated as Florida’s first class of Purple Star campuses.

• Glen Coffee (born 1987) - running back for the San Francisco 49ers
• John Egbunu (born 1994) - Nigerian-born American basketball player for Hapoel Jerusalem of the Israeli Basketball Premier League
• Amos Fowler (born 1956) - center for the Detroit Lions from 1978-1984
• E. G. Green (born 1975) - wide receiver for the Indianapolis Colts from 1998-2000
• Mike James (baseball) (born 1967) - Major League Baseball pitcher for the California Angels, St. Louis Cardinals, and the Colorado Rockies
• Cliff Lewis (born 1959) - linebacker for the Green Bay Packers from 1981-1984
• Demetria McKinney (born 1979) - actress and singer
• Deiontrez Mount (born 1993) - linebacker for the Denver Broncos
• Dyron Nix (1967-2013) - professional basketball player
• Akeem Spence (born 1991) - defensive end for the New England Patriots
• Danny Wuerffel (born 1974) - won Heisman Trophy in 1996 as the quarterback of the Florida Gators

• Official Fort Walton Beach High School site
• Fort Walton Beach Viking Band site