The 2018 Big 12 Conference football season represents the 23rd season of Big 12 Conference football, talking place during the 2018 NCAA Division I FBS football season. The season began with non-conference play on Thursday, August 30, 2018. Big 12 Conference play began on Saturday, September 22, 2018. The 2018 season will be the seventh for the Big 12 since the 2010–13 Big 12 Conference realignment brought the Big 12 membership to its current form.