| Mode: | football |
| Year: | 2013 |
| Team: | Northern Arizona Lumberjacks |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Tsnrank: | 15 |
| Fcscoachrank: | 15 |
| Record: | 9–3 |
| Conf Record: | 7–1 |
| Head Coach: | Jerome Souers |
| Hc Year: | 16th |
| Off Coach: | Rich Scangarello |
| Oc Year: | 2nd |
| Def Coach: | Andy Thompson |
| Dc Year: | 5th |
| Stadium: | Walkup Skydome |
| Bowl: | FCS Playoffs First Round |
| Bowl Result: | L 7–26 vs. South Dakota State |
The 2013 Northern Arizona Lumberjacks football team represented Northern Arizona University in the 2013 NCAA Division I FCS football season. They were led by 16th-year head coach Jerome Souers and played their home games at the Walkup Skydome. They were a member of the Big Sky Conference. They finished the season 9–3, 7–1 in Big Sky play to finish in second place. They were received an at-large bid to the FCS Playoffs where they lost in the first round to South Dakota State.
Despite also being a member of the Big Sky Conference, the game with UC Davis on September 14 is considered a non conference game and will have no effect on the Big Sky Standings.