| Tournament Name: | Canadian Open |
| Venue: | Canadian National Exhibition Stadium |
| Location: | Toronto |
| Country: | Canada |
| Organisation: | WPBSA |
| Format: | Non-ranking event |
| Total Prize Fund: | $15,000 |
| Winners Share: | $6,000[1] |
| Highest Break: | (131) |
| Winner: |  Cliff Thorburn |
| Runner Up: | Tony Meo |
| Score: | 17–15 |
| Previous: | 1977 |
| Next: | 1979 |
The 1978 Canadian Open was the fifth edition of the professional invitational snooker tournament, the Canadian Open, which took place between 16 August and 4 September 1978.[2] [3]
Cliff Thorburn won the title defeating Tony Meo 17–15 in the final.[4] __TOC__