Champions
1922 St. James' Gate
1923 Shamrock Rovers
1924 Bohemians
1925 Shamrock Rovers
1926 Shelbourne
1927 Shamrock Rovers
1928 Bohemians
1929 Shelbourne
1930 Bohemians
1931 Shelbourne
1932 Shamrock Rovers
1933 Dundalk
1934 Bohemians
1935 Dolphin
1936 Bohemians
1937 Sligo Rovers
1938 Shamrock Rovers
1939 Shamrock Rovers
1940 St. James' Gate
1941 Cork United
1942 Cork United
1943 Cork United
1944 Shelbourne
1945 Cork United
1946 Cork United
1947 Shelbourne
1948 Drumcondra
1949 Drumcondra
1950 Cork Athletic
1951 Cork Athletic
1952 St. Patrick's Athletic
1953 Shelbourne
1954 Shamrock Rovers
1955 St. Patrick's Athletic
1956 St. Patrick's Athletic
1957 Shamrock Rovers
1958 Drumcondra
1959 Shamrock Rovers
1960 Limerick
1961 Drumcondra
1962 Shelbourne
1963 Dundalk
1964 Shamrock Rovers
1965 Drumcondra
1966 Waterford United
1967 Dundalk
1968 Waterford United
1969 Waterford United
1970 Waterford United
1971 Cork Hibernians
1972 Waterford United
1973 Waterford United
1974 Cork Celtic
1975 Bohemians
1976 Dundalk
1977 Sligo Rovers
1978 Bohemians
1979 Dundalk
1980 Limerick United
1981 Athlone Town
1982 Dundalk
1983 Athlone Town
1984 Shamrock Rovers
Creation of the Men's Premier Division
1985 Shamrock Rovers
1986 Shamrock Rovers
1987 Shamrock Rovers
1988 Dundalk
1989 Derry City
1990 St. Patrick's Athletic
1991 Dundalk
1992 Shelbourne
1993 Cork City
1994 Shamrock Rovers
1995 Dundalk
1996 St. Patrick's Athletic
1997 Derry City
1998 St. Patrick's Athletic
1999 St. Patrick's Athletic
2000 Shelbourne
2001 Bohemians
2002 Shelbourne
2003 Bohemians
Split into summer season
2003 Shelbourne
2004 Shelbourne
2005 Cork City
2006 Shelbourne
2007 Drogheda United
2008 Bohemians
2009 Bohemians
2010 Shamrock Rovers
2011 Shamrock Rovers
2012 Sligo Rovers
2013 St. Patrick's Athletic
2014 Dundalk
2015 Dundalk
2016 Dundalk
2017 Cork City
2018 Dundalk
2019 Dundalk
2020 Shamrock Rovers
2021 Shamrock Rovers
2022 Shamrock Rovers
2023 Shamrock Rovers