This is the 1949-50 season of the Ottawa-St. Lawrence Conference. This was the first season of the OSLC. The Senior Intercollegiate League had been set up for one season, in 1945-46, in the same geographic region.
1945-46 SIL Season : 1950-51 OSLC Season 1949-50 WCIAU Season : 1949-50 CIAU Season 1949-50 AIAA Season
Results are not available for this season. The founding teams were:
- Bishop's University
- Carleton University
- Loyola College
- MacDonald College (won 5, lost 4, third place)
- McGill University II
- Royal Military College
- Sir George Williams
The Loyola College Warriors won the first title.