The 2010 AFL Grand Final is a series of two Australian rules football contests between the Collingwood Football Club and the St Kilda Football Club. Together they are considered the 114th annual Grand Final of the Australian Football League (formerly the Victorian Football League), and were staged to determine the premiers for the 2010 AFL season. The premiership is usually decided by a single match; however, as the first Grand Final ended in a draw, a Grand Final replay was played the following week and was won by Collingwood.

Both Grand Finals were held at the Melbourne Cricket Ground in Melbourne. The first was held on 25 September 2010. The game was attended by 100,016 spectators, the highest crowd for a VFL/AFL game since the 1986 VFL Grand Final. The match ended in a draw, with both teams scoring 68 points. This was the third draw in a VFL/AFL Grand Final, the previous two occurring in 1948 and 1977.

The premiership was decided by a full replay on 2 October 2010. It was attended by 93,853 people. Collingwood defeated St Kilda by 56 points, marking Collingwood's fifteenth VFL/AFL premiership victory and their first since 1990. It was the last Grand Final to be replayed prior to the introduction of extra time.

Collingwood entered the 2010 season after having lost its preliminary final in 2009 against eventual premiers Geelong. Collingwood was the best performed side of the home and away season, finishing with a record of 17–4–1 and winning its first Minor Premiership since 1977 and its first McClelland Trophy since 1970. Collingwood progressed to the Grand Final after comfortable victories in the qualifying final against the Western Bulldogs by 62 points, and then against Geelong in the preliminary final by 41 points.

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