List of OHL seasons

This is a list of Ontario Hockey League seasons since inception of the league, as well as a list of seasons for its precursor leagues, the Ontario Major Junior Hockey League (OMJHL), and the Ontario Hockey Association Junior A League (OHA).

1933–34 | 1934–35 | 1935–36 | 1936–37 | 1937–38 | 1938–39 | 1939–40 | 1940–41 | 1941–42 | 1942–43 | 1943–44 | 1944–45 | 1945–46 | 1946–47 | 1947–48 | 1948–49 | 1949–50 | 1950–51 | 1951–52 | 1952–53 | 1953–54 | 1954–55 | 1955–56 | 1956–57 | 1957–58 | 1958–59 | 1959–60 | 1960–61 | 1961–62 | 1962–63 | 1963–64 | 1964–65 | 1965–66 | 1966–67 | 1967–68 | 1968–69 | 1969–70 | 1970–71 | 1971–72 | 1972–73 | 1973–74

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