The Mazarine Stakes is a Thoroughbred horse race at Woodbine Racetrack in Toronto, Ontario, Canada.
A Grade III race, it is open to two-year-old fillies.
Contested over a distance of 1+1⁄16 miles (8.5 furlongs) on Polytrack synthetic dirt, it currently carries a purse of approximately $114,045.
Run annually in October, the Mazarine Stakes is a prep race for the Breeders' Cup Juvenile Fillies.
Inaugurated in 1965 at Greenwood Raceway, in 1980 it was moved to its present location at Woodbine Racetrack.