This is a list of 1977-78 Ontario Hockey Association Junior C Standings
Leagues
- 1977-78 COJCHL Season
- 1977-78 GLJHL Season
- 1977-78 GBJCHL Season
- 1977-78 MOJCHL Season
- 1977-78 NDJCHL Season
- 1977-78 QSLJCHL Season
- 1977-78 WOJCHL Season
This is a list of 1977-78 Ontario Hockey Association Junior C Standings