1989–90 Irish League
The 1989–90 Irish League was the 89th edition of the Irish League, the highest level of league competition in Northern Irish football.
The league consisted of 14 teams, and Portadown won the championship.
Portadown
Martin McGaughey
1988–89
1990–91
Ballymena United
Bangor
Carrick
Coleraine
Distillery
Glenavon
Newry Town
Cliftonville
Crusaders
Glentoran
Linfield
Irish League
Northern Irish
football
European Cup first round
UEFA Cup first round
European Cup Winners' Cup first round
Carrick Rangers
NIFL Premiership
1890–91
1891–92
1892–93
1893–94
1894–95
1895–96
1896–97
1897–98
1898–99
1899–00
1900–01
1901–02
1902–03
1903–04
1904–05
1905–06
1906–07
1907–08
1908–09
1909–10
1910–11
1911–12
1912–13
1913–14
1914–15
1919–20
1920–21
1921–22
1922–23
1923–24
1924–25
1925–26
1926–27
1927–28
1928–29
1929–30
1930–31
1931–32
1932–33
1933–34
1934–35
1935–36
1936–37
1937–38
1938–39
1939–40
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
1974–75
1975–76
1976–77
1977–78
1978–79
1979–80
1980–81
1981–82
1982–83
1983–84
1984–85
1985–86
1986–87
1987–88
1991–92
1992–93
1993–94
1994–95
1995–96
1996–97
1997–98
1998–99
1999–00
2000–01
2001–02
2002–03
Irish Premier League
2003–04
2004–05
2005–06