| Championship details | |
|---|---|
| All-Ireland Champions | |
| Winning team | Cork (7th win) |
| Captain | Mick Slocum |
| All-Ireland Finalists | |
| Losing team | Offaly |
| Provincial Champions | |
| Munster | Cork |
| Leinster | Offaly |
| Ulster | Derry |
| Connacht | Mayo |
The 1986 All-Ireland Under-21 Football Championship was the 23rd staging of the All-Ireland Under-21 Football Championship since its establishment by the Gaelic Athletic Association in 1964.
Cork entered the championship as defending champions.
On 14 September 1986, Cork won the championship following a 3-16 to 0-12 defeat of Offaly in the All-Ireland final. [1] This was their seventh All-Ireland title overall and their third in successive seasons.
Semi-finals
| 9 August 1986Semi-final | Offaly | 1-11 - 1-11 | Mayo | Dr. Hyde Park, Roscommon |
| 9 August 1986Semi-final | Cork | 1-13 - 2-08 | Derry | Parnell Park, Dublin |
| 17 August 1986Semi-final replay | Offaly | 1-15 - 0-07 | Mayo | Dr. Hyde Park, Roscommon |
Finals
| 14 September 1986Final | Cork | 3-16 - 0-12 | Offaly | Semple Stadium, Thurles |
Jack O'Shea is a former Irish sportsperson. He played Gaelic football at various times with his local clubs St Mary's in Kerry and Leixlip in Kildare. He was a member of the Kerry senior football team from 1976 until 1992. O'Shea is regarded as one of the greatest players of all-time.
Johnny Crowley is an Irish retired hurler who played as a centre-back with the Cork senior team.
The 1983 All-Ireland Senior Football Championship was the 97th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 15 May 1983 and ended on 18 September 1983.
The 1997 Bank of Ireland All-Ireland Senior Football Championship was the 111th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 11 May 1997 and ended on 28 September 1997.
Denis Walsh is an Irish hurling manager and former dual player of Gaelic games. He is a former manager of the Cork senior hurling team.
The 2002 All-Ireland Senior Football Championship was the 116th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 5 May 2002 and ended on 22 September 2002.
The 1980 All-Ireland Senior Football Championship was the 94th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 11 May 1980 and ended on 21 September 1980.
The 1981 All-Ireland Senior Football Championship was the 95th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 10 May 1981 and ended on 20 September 1981.
The 1982 All-Ireland Senior Football Championship was the 96th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 9 May 1982 and ended on 19 September 1982.
The 1986 All-Ireland Senior Football Championship was the 100th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 18 May 1986 and ended on 21 September 1986.
The 1989 All-Ireland Senior Football Championship was the 103rd staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 14 May 1989 and ended on 17 September 1989.
The 1973 All-Ireland Football Championship was the 87th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 13 May 1973 and ended on 23 September 1973.
The 1966 All-Ireland Senior Football Championship was the 80th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 1 May 1966 and ended on 25 September 1966.
The 1945 All-Ireland Senior Football Championship was the 59th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. It was played at venues all over Ireland from 29 April to 23 September 1945.
The 1969 All-Ireland Senior Football Championship was the 83rd staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 4 May 1969 and ended on 28 September 1969.
The 2009 All-Ireland Minor Football Championship was the 78th staging of the All-Ireland Minor Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament for boys under the age of 18.
The 1971 All-Ireland Under-21 Football Championship was the eighth staging of the All-Ireland Under-21 Football Championship since its establishment by the Gaelic Athletic Association in 1964.
The 1995 All-Ireland Under-21 Football Championship was the 32nd staging of the All-Ireland Under-21 Football Championship since its establishment by the Gaelic Athletic Association in 1964.
The 2019 All-Ireland Under-20 Football Championship was the second staging of the All-Ireland Under-20 Championship and the 56th staging overall of a Gaelic football championship for players between the minor and senior grades. The championship began on 22 June 2019 and ended on 3 August 2019.
The 2021 All-Ireland Under-20 Football Championship was the third staging of the All-Ireland Under-20 Championship and the 58th staging overall of a Gaelic football championship for players between the minor and senior grades. The championship began on 1 July and ended on 15 August 2021.