| 2018 Champions Indoor Football season | |
|---|---|
| League | Champions Indoor Football |
| Sport | Indoor football |
| Duration | March 3 – June 10 |
| Regular season | |
| Season champions | Duke City Gladiators |
| Season MVP | Darrian Miller (Sioux City) |
| Playoffs | |
| North Conference champions | Sioux City Bandits |
| North Conference runners-up | Salina Liberty |
| South Conference champions | Duke City Gladiators |
| South Conference runners-up | Texas Revolution |
| Champions Bowl IV | |
| Champions | Duke City Gladiators |
| Runners-up | Sioux City Bandits |
The 2018 Champions Indoor Football season was the fourth season of the CIF. The regular season began on March 3, when the Wichita Force traveled to Salina Liberty, losing 17–15. The regular season concluded on June 10. This was the second season in which four teams per conference advanced to the Champions Bowl playoffs, with the top seed in each conference hosting their conference's fourth seed, and second seeds hosting third seeds in the first round.
The league champion was the Duke City Gladiators over the Sioux City Bandits 31–27 in Champions Bowl IV. The regular season MVP was Sioux City Bandits running back Darrian Miller.