The following weekly polls comprise the 2013 NCAA Division I FCS football rankings which determine the top 25 teams at the NCAA Division I Football Championship Subdivision level of college football for the 2013 season. The Sports Network poll is voted by media members while the Coaches' Poll is determined by coaches at the FCS level. Schools in transition to the NCAA Division I Football Bowl Subdivision level of college football (including Old Dominion, Appalachian State, and Georgia Southern) were ineligible for the Coaches' Poll.[1]
| Increase in ranking | |||
| Decrease in ranking | |||
| Not ranked previous week | |||
| Italics | Number of first place votes | ||
| (#–#) | Win–loss record | ||
| т | Tied with team above or below also with this symbol |