The 1984 All-Ireland Senior Football Championship was the 98th 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 1984 and ended on 23 September 1984. Dublin entered the championship as the defending champions. On 23 September 1984, Kerry won the championship following a 0–14 to 1–6 defeat of Dublin in the All-Ireland final. This was their 28th All-Ireland title.