Gregory A. Hawkes (born October 22, 1952) is an American musician who is best known as the keyboardist and founding member of the American new wave band the Cars. Hawkes is credited with helping popularize new wave and synth-pop in American popular music as a member of the Cars.

Hawkes, a native of Fulton, Maryland, United States, attended Atholton High School where he played in a band called Teeth. He then attended Berklee College of Music for two years, majoring in composition and flute. He left to play in various bands, including Martin Mull and his Fabulous Furniture, where he played flute, saxophone, and clarinet. He also played in a band called Richard and the Rabbits, which included future Cars bandmates Ric Ocasek and Benjamin Orr. He was the last member to join the Cars. Hawkes was also in the New Cars with original Cars member Elliot Easton, along with vocalist/guitarist Todd Rundgren, bassist Kasim Sulton, and drummer Prairie Prince. In 2018, Hawkes was inducted into the Rock and Roll Hall of Fame as a member of the Cars.