The Magic Fountain of Montjuïc (Catalan: Font màgica de Montjuïc, Spanish: Fuente mágica de Montjuic) is a fountain located at the head of Avinguda Maria Cristina in the Montjuïc neighborhood of Barcelona, Catalonia, Spain. The fountain is situated below the Palau Nacional on the Montjuïc mountain and near the Plaça d'Espanya and Poble Espanyol de Barcelona. The fountain, like most of the surrounding developments, was constructed for the 1929 Barcelona International Exposition.

The fountain sprays 700 gallons of water a second through 3620 jets to create its effect. The highest water spout is 170 feet.