2012–13 Belgian Second Division
The 2012–13 season of the Belgian Second Division began on 22 August 2012 and ended in April 2013. The season was won by Oostende, who were thus promoted to the Belgian Pro League. Mouscron-Péruwelz, Westerlo and WS Woluwe played the second division final round but lost this to Cercle Brugge, resulting in no other team gaining promotion. At the bottom end of the table, Sint-Niklaas and Oudenaarde were relegated, while Heist were saved due to the bankruptcy of Beerschot AC.
Team changes
After promotion and relegation, only 13 teams of the previous season remained in the league, with 5 others being replaced:Out
- Charleroi were promoted as champions of the previous season.
- Waasland-Beveren ended second, but won the second division final round and was therefore also promoted to the Pro League.
- Tienen ended 16th, but lost the third division playoffs and was subsequently relegated.
- Dender EH was relegated to the Third Division after finishing 17th.
- Wetteren was relegated to the Third Division after finishing 18th.
In
- Sint-Truiden was directly relegated from the Pro League.
- Westerlo lost the second division final round and as a result they were also relegated from the Pro League.
- Mouscron-Péruwelz promoted as champions from Third Division A.
- Dessel Sport promoted as champions from Third Division B.
- Oudenaarde was promoted after winning the third division playoffs.
Regular season
League table
Period winners
Like before, the season was divided into three periods. The first ten matchdays together form the first period, matchdays 11 to 22 form period two and the last 12 form period three. The three period winners take part in the Belgian Second Division final round together with the winner of the 2012–13 Belgian Pro League relegation playoff. The winner of this final round gets to play in the 2013–14 Belgian Pro League.The first period was won by WS Woluwe and the second and third by Oostende. As Oostende won the title, Mouscron-Péruwelz and Westerlo were given the right to take part in the Final Round as the two highest finishing teams not yet entitled.
Season statistics
Top scorers
Source:| Rank | Player | Club | Goals |
| 1 |  |