The 2016–17 Northern Arizona Lumberjacks men's basketball team represented Northern Arizona University during the 2016–17 NCAA Division I men's basketball season. The Lumberjacks were led by fifth-year head coach Jack Murphy and played their home games at the Walkup Skydome in Flagstaff, Arizona as members of the Big Sky Conference. They finished the season 9–23, 6–12 in Big Sky play to finish in tenth place. As the no. 9 seed in the Big Sky tournament, the lost in the first round to Portland State.