Andrea Prono Sánchez (born August 30, 1984) is a Paraguayan former swimmer, who specialized in backstroke events.
She is a 2000 Olympian and the cousin of Genaro Prono, an elite breaststroke swimmer, who later competed for Paraguay at the 2008 Summer Olympics in Beijing.Prono competed only in the women's 100 m backstroke at the 2000 Summer Olympics in Sydney.
She received a ticket from FINA, under a Universality program, without meeting an entry time.
Swimming in heat one, she pulled away from Congo's Monika Bakale by an eight-second advantage to pick up a sixth seed in a lifetime best of 1:08.11.
Prono failed to advance into the semifinals, as she placed forty-fifth overall in the prelims.