The Maple Leaf Stakes is a Thoroughbred horse race run annually at Woodbine Racetrack in Toronto, Ontario, Canada. Run during the first part of November, the Grade III Maple Leaf is open to fillies aged three or older. Raced over a distance of one and one-quarter miles on Polytrack synthetic dirt, it currently offers a purse of $150,000.

Inaugurated in 1892, the Maple Leaf Stakes has been competed at a variety of distances. Since 1956, when the new Woodbine Racetrack hosted the event, the race distance have been set as follows:

• 1+1⁄16 miles : 1956-1958 at Woodbine Racetrack, 1959 and 1965 at Greenwood Raceway
• 1 mile : 1960-1964 at Greenwood Raceway
• 1+1⁄4 miles : 1966-1993 at Greenwood Raceway and since 1994 at Woodbine Racetrack

Speed record: (at current distance of 1+1⁄4 miles)

• 2:02.18 - Pachattack (2010)

Most wins:

• 2 - Tattling (1926, 1927)
• 2 - Shady Well (1932, 1933)
• 2 - Passa Grille (1941, 1942)
• 2 - Floral Gift (1945, 1946)
• 2 - Teddy's Sister (1951, 1952)
• 2 - Golden Turkey (1961, 1962)
• 2 - Hinemoa (1966, 1967)
• 2 - Not To Shy (1969, 1970)
• 2 - Lovely Sunrise (1974, 1975)
• 2 - Bye Bye Paris (1976, 1977)
• 2 - Sintrillium (1983, 1984)
• 2 - Wings of Erin (1995, 1996)
• 2 - One For Rose (2003, 2004)

Most wins by an owner:

• 7 - Conn Smythe (1959, 1969, 1970, 1974, 1975, 1976, 1977)
• 6 - William Hendrie (1891, 1894, 1896, 1899, 1900, 1902)

Most wins by a jockey:

• 5 - Brian Swatuk (1969, 1975, 1982, 1983, 1984)

Most wins by a trainer:

• 6 - Donnie Walker (1969, 1970, 1974, 1975, 1976, 1977)

• Pat Remillard won the Maple Leaf Stakes four times as a jockey (1934,1936, 1942, 1949) and then again as a trainer in 1973.

• List of Canadian flat horse races

• The Maple Leaf Stakes at Pedigree Query
• The 2007 Maple Leaf stakes at the NTRA