Galder Gaztelu-Urrutia; born 17 February 1974, is a Spanish film and advertising director and producer. He made his feature-film debut with The Platform (2019), a dystopian science fiction-horror film. Nominated for a Spanish Academy Award (Goya) as Best New Director for The Platform.

Gaztelu-Urrutia has named Dante's Divine Comedy as one of his literary influences for The Platform, as well as films such as Buñuel's The Exterminating Angel (1962), Jeunet's Delicatessen (1991), Ridley Scott's Blade Runner (1982) and Scorsese's Taxi Driver (1976).