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.She was employed as assistant professor by The Delft University of Technology, working together with Professor Ockels at the Faculty of Aerospace Engineering.
She was the chief vehicle designer of the TU Delft Superbus.From 2014 she was the head of the aerodynamics department at Bentley Motors Ltd.