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.
Saint John's 2018 schedule consists of 6 home and 4 away games in the regular season.
[1] The Johnnies hosted their first two playoff games, against Martin Luther and Whitworth.
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.