Harold "Harry" Gesner (born April 28, 1925) is an influential California architect.
Born and raised in Southern California, his designs are found in locations including Malibu and the Getty Museum.
Following service in the US Army during World War II, Gesner is a self-taught architect.
Gesner became internationally known for his visionary style.
His Wave House (1957) was an inspiration for the Sydney Opera House by Danish architect Jørn Utzon.