The 2023 Fanatec GT World Challenge America Powered by AWS was the seventeenth season of the United States Auto Club's GT World Challenge America, and the sixth under ownership of SRO Motorsports Group.
The season began at Sonoma on March 30, and ended at Indianapolis on October 8.
Eric Filgueiras and Stevan McAleer won the Pro class championship for Rennsport One (RS1) in the new Porsche 911 GT3 R, one year after they won the 2022 GT4 America Series Silver class title. George Kurtz and Colin Braun won the Pro-Am championship for CrowdStrike by Riley.