This is a list of the seasons of the Ontario Hockey Association's junior series:
In 1933, the OHA split its junior section into Junior A and Junior B.
- 1892-93 OHA Junior Season
- 1893-94 OHA Junior Season
- 1894-95 OHA Junior Season
- 1895-96 OHA Junior Season
- 1896-97 OHA Junior Season
- 1897-98 OHA Junior Season
- 1898-99 OHA Junior Season
- 1899-1900 OHA Junior Season
- 1900-01 OHA Junior Season
- 1901-02 OHA Junior Season
- 1902-03 OHA Junior Season
- 1903-04 OHA Junior Season
- 1904-05 OHA Junior Season
- 1905-06 OHA Junior Season
- 1906-07 OHA Junior Season
- 1907-08 OHA Junior Season
- 1908-09 OHA Junior Season
- 1909-10 OHA Junior Season
- 1910-11 OHA Junior Season
- 1911-12 OHA Junior Season
- 1912-13 OHA Junior Season
- 1913-14 OHA Junior Season
- 1914-15 OHA Junior Season
- 1915-16 OHA Junior Season
- 1916-17 OHA Junior Season
- 1917-18 OHA Junior Season
- 1918-19 OHA Junior Season
- 1919-20 OHA Junior Season
- 1920-21 OHA Junior Season
- 1921-22 OHA Junior Season
- 1922-23 OHA Junior Season
- 1923-24 OHA Junior Season
- 1924-25 OHA Junior Season
- 1925-26 OHA Junior Season
- 1926-27 OHA Junior Season
- 1927-28 OHA Junior Season
- 1928-29 OHA Junior Season
- 1929-30 OHA Junior Season
- 1930-31 OHA Junior Season
- 1931-32 OHA Junior Season
- 1932-33 OHA Junior Season