2018 Saint John's Johnnies football team

The 2018 Saint John's Johnnies football team represented Saint John's University in the 2018 NCAA Division III football season. The Johnnies, led by sixth-year head coach Gary Fasching, were members of the Minnesota Intercollegiate Athletic Conference (MIAC) and played their home games at Clemens Stadium in Collegeville, Minnesota.

Schedule
Saint John's 2018 schedule consists of 6 home and 4 away games in the regular season. The Johnnies hosted UW-Stout, Carleton, St. Thomas, St. Olaf, Hamline, and Thomas More. Away games were at Gustavus Adolphus, Augsburg, Bethel, and Concordia-Moorhead.

The Johnnies hosted their first two playoff games, against and. For the playoff quarterfinals, the Johnnies travelled to Belton, Texas to face Mary Hardin–Baylor, where their season ended with a 21–18 loss to the Crusaders.