| 2017 NCAA Division I FCS football rankings | |
| Headerstyle: | background:#ccf; |
| Labelstyle: | background:#; |
| Label1: | Season |
| Data1: | 2017 |
| Label2: | Duration |
| Data2: | August 2017 – January 2018 |
| Label3: | Preseason No. 1 |
| Data3: | James Madison |
| Label4: | National Champions |
| Data4: | North Dakota State |
The 2017 National Collegiate Athletic Association (NCAA) Division I Football Championship Subdivision (FCS) football rankings comprises two human polls, in addition to various publications' preseason polls. Unlike the Football Bowl Subdivision (FBS), college football's governing body, the NCAA, bestows the national championship title through a 24-team tournament.[1] The following weekly polls determine the top 25 teams at the NCAA Division I Football Championship Subdivision level of college football for the 2017 season. The STATS poll is voted by media members while the Coaches' Poll is determined by coaches at the FCS level.
| 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 |