List of Northern Ontario Junior Champions


 * 1919-20 Sudbury Cub Wolves
 * 1920-21 Sudbury Cub Wolves
 * 1921-22 Iroquois Falls Eskimos
 * 1922-23 Iroquois Falls Eskimos
 * 1923-24 North Bay Trappers
 * 1924-25 Sudbury Cub Wolves
 * 1925-26 North Bay Trappers
 * 1926-27 Iroquois Falls Eskimos
 * 1927-28 Sault Ste. Marie Greyhounds
 * 1928-29 Sault Ste. Marie Greyhounds
 * 1929-30 Sault Ste. Marie Greyhounds
 * 1930-31 Sault Ste. Marie Greyhounds
 * 1931-32 Sudbury Cub Wolves*
 * 1932-33 Sudbury Cub Wolves
 * 1933-34 New Liskeard Farmers
 * 1934-35 Sudbury Cub Wolves
 * 1935-36 South Porcupine Porkies
 * 1936-37 Copper Cliff Redmen
 * 1937-38 Sudbury Cub Wolves
 * 1938-39 North Bay Trappers
 * 1939-40 South Porcupine Porkies
 * 1940-41 None
 * 1941-42 None
 * 1942-43 None
 * 1943-44 None
 * 1944-45 None
 * 1945-46 Copper Cliff Redmen
 * 1946-47 Porcupine Combines
 * 1947-48 Porcupine Combines
 * 1948-49 Porcupine Combines
 * 1949-50 Porcupine Combines
 * 1950-51 Porcupine Combines
 * 1951-52 Porcupine Combines
 * 1952-53 Porcupine Combines
 * 1953-54 South Porcupine Gold Diggers
 * 1954-55 Noranda Toilers
 * 1955-56 Porcupine Combines
 * 1956-57 None
 * 1957-58 None
 * 1958-59 None
 * 1959-60 None
 * 1960-61 None
 * 1961-62 None
 * 1962-63 Espanola Eagles
 * 1963-64 North Bay Trappers
 * 1964-65 Garson-Falconbridge Native Sons
 * 1965-66 North Bay Trappers
 * 1966-67 Sault Ste. Marie Greyhounds
 * 1967-68 North Bay Trappers
 * 1968-69 Sudbury Cub Wolves
 * 1969-70 Sault Ste. Marie Greyhounds

_* Won Memorial Cup

After the 1969-70 season the Memorial Cup became the Major Junior level championship of Canada and the Manitoba Centennial Cup was started as the Junior A National championship. The Northern Ontario Hockey Association  was reverted to the Junior "B" level. The region was elevated to the Junior "A" level for the 1978-79 season with the establishment of the Northern Ontario Junior Hockey League.