Stefano Costantini (born 24 May 1983) is an Italian amateur racing driver currently competing in the FIA World Endurance Championship with AF Corse.

He is the reigning champion of the GT World Challenge Europe Endurance Cup in the Pro-Am class.

[1] † As Costantini was a guest driver, he was ineligible to score points.

(Races in bold indicate pole position) (Races in italics indicate fastest lap) (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) In 2022, Stefano Costantini entered into an endorsement agreement with Bianchet[13] and won both the GT World Challenge Europe Endurance Cup, and the 24-hours of SPA GT Pro-Am race.

[14][15] Costantini and Bianchet renewed their partnership in 2023 and collaborated during the Asian Le Mans Series, the WEC, and the 12h of Gulf.