The 2017 National Arena League season was the inaugural season of the National Arena League (NAL). Playing with eight teams spread across the eastern and southern United States (with one team in Mexico), the league's regular season kicked off on March 17, 2017, when the Columbus Lions hosted the Jacksonville Sharks and lost 41–56. The regular season ended 14 weeks later on June 17, 2017, with the Sharks hosting the Monterrey Steel and the Lions visiting the Georgia Firebirds. The playoffs were held in two rounds, with the top seed hosting the fourth seed and the second seed hosting the third seed, with the winners of these games facing in the 2017 NAL Championship hosted by the highest remaining seed.