| 2009 CIFL season | |
| League: | Continental Indoor Football League |
| Sport: | Indoor Football |
| Season: | Regular season |
| Season Champs: | Chicago Slaughter |
| Mvp: | Russ Michna, CHI |
| Playoffs: | League postseason |
| Conf1: | Eastern |
| Conf1 Champ: | Fort Wayne Freedom |
| Conf1 Runner-Up: | Marion Mayhem |
| Conf2: | Western |
| Conf2 Champ: | Chicago Slaughter |
| Conf2 Runner-Up: | Wisconsin Wolfpack |
| Finals: | CIFL Championship Game |
| Finals Champ: | Chicago Slaughter |
| Finals Mvp: | Donovan Morgan (CHI) |
| Finals Mvp Link: | Most valuable player |
| Seasonslist: | List of Continental Indoor Football League seasons |
| Seasonslistnames: | CIFL |
| Prevseason Link: | 2008 Continental Indoor Football League season |
| Prevseason Year: | 2008 |
| Nextseason Link: | 2010 Continental Indoor Football League season |
| Nextseason Year: | 2010 |
The 2009 Continental Indoor Football League season was the league's fourth overall season. The regular season began on Friday, March 6. The league champion was the Chicago Slaughter.