Antonia Terzi (born April 29, 1971, Mirandola, Italy) is an Italian aerodynamicist who has worked for the Ferrari and Williams Formula One teams. Terzi worked in the design department at Ferrari under Rory Byrne until 2001 when she was recruited by Williams to become the team's chief aerodynamicist. Terzi left Williams in November 2004. Terzi hold a Master's degree in Materials Engineering from Modena University in Italy and a PhD in Engineering, focused on aerodynamics, from Exeter University in the United Kingdom.