NASL Championship Series 2012 was the North American Soccer League's postseason championship final of the 2012 season. Also known as the NASL Championship Series 2012, the event was contested in a two-game aggregate match between the Tampa Bay Rowdies and, the defending 2011 NASL champions, the Minnesota Stars. The first leg was held on October 20, 2012 at National Sports Center, in Blaine, Minnesota, while the second on October 27, 2012 at Al Lang Stadium, in St. Petersburg, Florida.
After a two-day competition, both sides were tied at three points apiece. Following extra time, the game went to penalty shoot-out. In the end, the Tampa Bay Rowdies were victorious and became the 2012 NASL champions.