Tambay is a surname. Notable people with the surname include:
Adrien Tambay (born 1991), French racing driver Damayanti Tambay (born 1948), Indian badminton player Patrick Tambay (1949–2022), French racing driver Vijay Vasant Tambay (born 1943), officer of the Indian Air Force
See also Oplan Tambay, law enforcement campaign in the Philippines Tambay (EP), EP by Sponge Cola