The competition was won by Liverpool, who defeated local rivals Everton 3–1 at Wembley in the first ever Merseyside derby final.
Liverpool thus became only the fifth club to win the league and FA Cup double.
Teams from the Football League First and Second Division entered in this round.
Most of the third round of games in the FA Cup were played over the weekend 4–6 January 1986.
The sixth round of FA Cup games were played either at the weekend on 8 March or midweek on 11-12 1986.