| Triennale di Milano | |
| Collections: | Twentieth-century art |
| Location: | Viale Alemagna 6, 20121, Milan, Italy |
| Director: | Andrea Cancellato |
| Curator: | Silvana Annacchiarico |
| Coordinates: | 45.4724°N 9.174°W |
The Triennale di Milano is a museum of art and design in the Parco Sempione in Milan, in Lombardy in northern Italy. It is housed in the, built between 1931 and 1933 to designs by Giovanni Muzio and financed by Antonio Bernocchi and his brothers Andrea and Michele. The building houses a theatre, the Teatro dell'Arte, which was also designed by Muzio.
An international exhibition of art and design, the Milan Triennial, was held at the museum thirteen times between 1936 and 1996, and again in 2016.
Since 2003 the Triennale has awarded the triennial Gold Medal for Italian Architecture or Italian: Medaglia d'oro all'architettura italiana|italic=no; Umberto Riva, Renzo Piano, Massimiliano Fuksas, Vincenzo Latina and Massimo Carmassi have been among the recipients.
A permanent museum of Italian design, the Triennale Design Museum, was opened in 2007.