| Team: | Missouri Monsters |
| Year: | 2013 |
| Record: | 5-5 |
| League Place: | 4th |
| Owner: | Andrew Haines |
| General Manager: | Andrew Haines |
| Coach: | Andrew Parker Martino Theus |
| Stadium: | Family Arena 2002 Arena Parkway St. Charles, MO 63303 |
| Playoffs: | did not qualify |
| No Prevseason: | true |
| Next: | 2014 |
The 2013 Missouri Monsters season was the first season for the professional indoor football franchise and first in the Ultimate Indoor Football League (UIFL). One of six teams that competed in the UIFL for the 2013 season.
Led by interim head coach Martino Theus, the Monsters played their home games at the Family Arena in St. Charles, Missouri.
Key:
All start times are local to home team
| Week | Day | Date | Opponent | Results | Location | ||
|---|---|---|---|---|---|---|---|
| Score | Record | ||||||
| 1 | colSpan=6 | BYE | |||||
| 2 | Sunday | March 10 | Corpus Christi Fury | L 37-74[1] | 0-1 | Family Arena | |
| 3 | colSpan=6 | BYE | |||||
| 4 | Monday | March 25 | at Georgia Rampage | L 18-25[2] | 0-2 | Northwest Georgia Trade and Convention Center | |
| 5 | Monday | April 1 | Windy City Hitmen | W 74-14[3] | 1-2 | Family Arena | |
| 6 | Saturday | April 6 | Marion Blue Racers | W 47-39[4] | 2-2 | Family Arena | |
| 7 | Saturday | April 13 | Florida Tarpons | L 20-43 | 2-3 | Family Arena | |
| 8 | colSpan=6 | BYE | |||||
| 9 | Saturday | April 28 | Georgia Rampage | W 65–59 (OT)[5] | 3-3 | Family Arena | |
| 10 | Friday | May 3 | Atlanta Vipers | W 80-8[6] | 4-3 | Family Arena | |
| 11 | Sunday | May 12 | at Corpus Christi Fury | L 56-75 | 4-4 | American Bank Center | |
| 12 | Sunday | May 19 | at Lakeland Raiders | L 6-59[7] | 4-5 | Lakeland Center | |
| 13 | Friday | May 24 | Gateway Gators | W 52-28 | 5-5 | Family Arena | |
y - clinched conference titlex - clinched playoff spot