Rivalries
Main rivalries:
- Clay Colonials vs. Washington Panthers
- Penn Kingsmen vs. Mishawaka Cavemen
- St. Joseph Indians vs. Marian Knights
- Elkhart Central Blue Blazers vs. Elkhart Memorial Crimson Chargers*
- Riley Wildcats vs. Adams Eagles
Notable sub-rivalries
- Riley vs. Clay
- Adams vs. Clay
- St. Joseph vs. Penn
- Riley vs. Marian
- Penn vs. Elkhart Memorial*
- Penn vs. Fort Wayne Snider*
- Marian vs. Mishawaka
- St. Joseph vs. Clay
- Mishawaka vs. Washington
- Marian vs. Penn (baseball only)
- St. Joseph vs. Culver Military Academy (hockey only)*
- Mishawaka vs. Clay (football only)
- Mishawaka vs. Adams (Basketball)
(Asterisk indicates non-member of NIAC)
Read more about this topic: Northern Indiana Athletic Conference