Fresno High School is a four-year secondary school located in Fresno, California. It is part of the Fresno Unified School District. Fresno High is the oldest high school in the Fresno metropolitan area and one of the few International Baccalaureate schools. As of 2023, Amy Smith is the 30th and current principal of Fresno High.

Fresno High was founded in 1889 as the first secondary school in Fresno county.