Honours
Listed below are the full honours achieved by Glentoran Football Club since they were founded in 1882.
| Irish League Champions | x 22 |
| Irish Cup Winners | x 20 |
| Gold Cup Winners | x 15 |
| Ulster Cup Winners | x 9 |
| City Cup Winners | x 18 |
| Co. Antrim Shield Winners | x 24 |
| Irish League Cup Winners | x 5 |
| Budweiser Cup Winners | x 1 |
| Bateman Cup | x 1 |
| Vienna Cup | x 1 |
| Blaxnit All-Ireland Trophy | x 1 |
League champions : (22 Times) 1893/94, 1896/97, 1904/05, 1911/12, 1912/13, 1920/21, 1924/25, 1930/31, 1950/51, 1952/53, 1963/64, 1966/67, 1967/68, 1969/70, 1971/72, 1976/77, 1980/81, 1987/88, 1991/92, 1998/99, 2002/03, 2004/05
Irish Cup winners: (20 Times) 1913/14, 1916/17, 1920/21, 1931/32, 1932/33, 1934/35, 1950/51, 1965/66, 1972/73, 1982/83, 1984/85, 1985/86, 1986/87, 1987/88, 1989/90, 1995/96, 1997/98, 1999/00, 2000/01, 2003/04
League Cup winners: (5 Times) 1988/89, 1990/91, 2000/01, 2002/03, 2004/05
Gold Cup winners: (15 Times) 1916/17, 1941/42, 1950/51, 1959/60, 1961/62, 1965/66, 1976/77, 1977/78, 1982/83, 1986/87, 1991/92, 1994/95, 1998/99, 1999/00, 2000/01
County Antrim Shield winners: (24 Times) 1900/01, 1901/02, 1910/11, 1915/16, 1917/18, 1924/25, 1930/31, 1939/40, 1940/41, 1943/44, 1949/50, 1950/51, 1951/52, 1956/57, 1967/68, 1970/71, 1977/78, 1984/85, 1986/87, 1998/99, 1999/00, 2000/01, 2001/02, 2002/03
Ulster Cup winners: (9 Times) 1950/51, 1952/53, 1966/67, 1976/77, 1981/82, 1982/83, 1983/84, 1988/89, 1989/90
City Cup winners: (18 Times) 1896/97, 1898/99, 1910/11, 1911/12, 1913/14, 1914/15, 1915/16, 1916/17, 1918/19, 1931/32, 1950/51, 1952/53, 1956/57, 1964/65, 1966/67, 1969/70, 1972/73, 1974/75
Floodlit Cup winners: (Twice) 1987/88, 1989/9