| Season: | 2012–13 |
| Pixels: | 200px |
| Competition: | Iraqi First Division League |
| Winners: | (1st title) |
| Promoted: | |
| Biggest Home Win: | Naft Maysan 4-0 Salahaddin |
| Biggest Away Win: | Al-Adala 1-5 Naft Maysan |
| Highest Scoring: | Al-Karkh 5-2 Salahaddin |
| Matches: | 85 |
| Total Goals: | 168 |
| Update: | 24-08-2013 |
| Prevseason: | 2011–12 |
| Nextseason: | 2013–14 |
The 2012–13 Iraqi First Division League season began on December 8, 2012. Sulaymaniya were the champions of the previous season and Naft Al-Junoob were runners-up, hence both promoted to the 2012–13 Iraqi Premier League.
The 42 teams were split into six groups. At the end of the regular season, the top 2 teams from each group, a total of 12 teams advanced to the next round. In the second round, these 12 teams will be split into two groups of 6, with teams playing a home and away round robin matches with each opponent in the group. The top two teams in each of the two groups advanced to the next round creating a 4 team playoff. The Final stage is one group with teams playing a home and away round robin matches with each opponent in the group. The top two teams qualify to the 2013–14 Iraqi Premier League next season.
| Governorate | Teams | Name of Teams | |
|---|---|---|---|
| Center | |||
| Baghdad | 4 | Al-Adala, Al-Hudood, Al-Jaish, and Al-Karkh | |
| Salahaddin | 4 | Salahaddin, Samaraa, Al-Shirqat, and Al-Tuz | |
| Middle Euphrates | |||
| Muthana | 1 | Al-Samawa | |
| Najaf | 2 | Al-Kufa and Naft Al-Wasat | |
| South | |||
| Maysan | 1 | Naft Maysan | |
The Final stage is one group with teams playing a home and away round robin matches with each opponent in the group. The top two teams qualify to the 2013–14 Iraqi Premier League next season.