Torrance High School is a high school located in Torrance, California. Founded in 1917, it is one of the oldest high schools in continuous use in California and is the oldest of the five high schools in the Torrance Unified School District. Four of its buildings are listed on the U.S. National Register of Historic Places.

Torrance High School is a popular filming location for television and motion picture production. It is most widely known for its appearance in high-profile television shows, including Beverly Hills, 90210 and Buffy the Vampire Slayer. It is the alma mater of broadcaster Paul Moyer, Medal of Honor recipient Ted Tanouye, World War II prisoner of war Louis Zamperini, professional golfer Angela Park and professional golfer Jenny Shin.