Gae Aulenti (born Gaetana Aulenti 4 December 1927) is an Italian architect, lighting and interior designer, and industrial designer. She is well known for several large-scale museum projects, including Musée d'Orsay in Paris (1980–86), the Contemporary Art Gallery at the Centre Pompidou in Paris, the Palazzo Grassi in Venice (1985–86), and the Asian Art Museum of San Francisco (2000–2003).
A native of Palazzolo dello Stella (Friuli), she studied in Milan. She worked for the design magazine Casabella from 1955 until 1965 as an art director, and become part of a group of young professionals influenced by the philosophy of Ernesto Nathan Rogers.
Aulenti has also occasionally worked as a stage designer for Luca Ronconi.