1970-71 OIAA Season

'''This is the 1970-71 season of the Ontario Intercollegiate Athletic Association. It was the final season for the conference. The following season the teams went to the OUAA. This was the final season for Trent University.'''

1969-70 OIAA Season :  1971-72 OUAA Season 1970-71 WIAA Season :  1970-71 QOAA Season 1970-71 OSLC Season :  1970-71 AUAA Season 1971 University Cup

Standings
Laurentian University         10-0-0-20 York University                8-2-0-16 Waterloo Lutheran University   6-4-0-12 Ryerson University             2-7-1-5 Brock University               2-7-1-5 Trent University               1-9-0-2

Playoffs
All sudden death

Semi-final

 * York University 8 Waterloo Lutheran University 1

Final

 * Laurentian University 5 York University 3

Laurentian University Voyageurs (as conference champion) advanced to the 1971 University Cup tournament.