The Football League play-offs for the 2012–13 season (referred to as the npower Football League Play-Offs for sponsorship reasons) were held in May 2013 with all finals being staged at Wembley Stadium in London.

The play-off semi-finals were played over two legs, contested by the teams who finished in 3rd, 4th, 5th and 6th place in the Football League Championship and League One and the 4th, 5th, 6th and 7th-placed teams in the League Two table. The winners of the semi-finals advanced to the finals, with the winner of the final gaining promotion for the following season.

The Football League play-offs have been held every year since 1987. They take place for each division following the conclusion of the regular season and are contested by the four clubs finishing below the automatic promotion places.

Watford won 3–2 on aggregate.

Crystal Palace won 2–0 on aggregate.

Yeovil Town won 2–1 on aggregate.

Brentford 4–4 Swindon Town on aggregate. Brentford won 5–4 on penalties.

Bradford City won 5–4 on aggregate.