Elisabetta Dessy (born 28 November 1957) is an Italian model and actress who competed as a swimmer in the 1976 Summer Olympics.

She is the first of four children born to countess Amalia Acqua and her husband Giorgio Dessy, an Air Force captain.

She was Italian Champion of the 100 m freestyle in 1974, 1975 and 1976, in the 4 × 100 m freestyle relay in 1972 and 1973, and in the mixed relay 4 x 100 m. After the 1976 Summer Olympics Dessy worked as a runway model in Milan, Paris and New York for designers including Valentino, Gucci, Gianni Versace, Armani, Fendi, Emilio Pucci, Salvatore Ferragamo, Roberto Capucci, Irene Galitzine, Missoni and Brioni.

In 1982 she starred alongside Vic Morrow and Fred Williamson in Enzo G Castellari's film 1990: The Bronx Warriors as Witch.

In 2023, she also appeared on the cover of Italian Marie Claire's April issue by Henrik Blomqvist with Fendi and on the cover of Italian and French Vanity Fair's September issue by Luigi and Iango alongside supermodels Naomi, Claudia Schiffer, Helena Christensen, Amber Valletta, Carla Bruni and Iman