# 1980 Canadian Open

The 1980 Canadian Open was the seventh edition of the professional invitational snooker tournament, the Canadian Open, which took place in August 1980. This was the last time the tournament was played until 1985, when the tournament was rebranded as the Canadian Masters.
Cliff Thorburn won the title for the fourth time, beating Terry Griffiths 17–10 in the final.

## Main draw

| Round 1 Best of 17 frames | Round 1 Best of 17 frames | Round 1 Best of 17 frames | Round 2 Best of 17 frames | Round 2 Best of 17 frames | Round 2 Best of 17 frames | Quarter-finals Best of 17 frames | Quarter-finals Best of 17 frames | Quarter-finals Best of 17 frames | Semi-finals Best of 17 frames | Semi-finals Best of 17 frames | Semi-finals Best of 17 frames | Final Best of 33 frames | Final Best of 33 frames | Final Best of 33 frames |
| | | | Cliff Thorburn | Cliff Thorburn | 9 | | | | | | | |
| Eddy Agha | Eddy Agha | 9 | Eddy Agha | Eddy Agha | 1 | | | | | | | |
| Eddy Agha | Eddy Agha | 9 | Eddy Agha | Eddy Agha | 1 | Cliff Thorburn | Cliff Thorburn | 9 | | | | |
| Tony Knowles | Tony Knowles | 3 | | | | Cliff Thorburn | Cliff Thorburn | 9 | | | | |
| Tony Knowles | Tony Knowles | 3 | | | | Mario Morra | Mario Morra | 5 | | | | |
| | | | Mario Morra | Mario Morra | 9 | Mario Morra | Mario Morra | 5 | | | | |
| Mario Morra | Mario Morra | 9 | Jim Wych | Jim Wych | 3 | | | | | | | |
| Mario Morra | Mario Morra | 9 | Jim Wych | Jim Wych | 3 | | | | Cliff Thorburn | Cliff Thorburn | 9 | |
| Jason Whittaker | Jason Whittaker | 2 | | | | | | | Cliff Thorburn | Cliff Thorburn | 9 | |
| Jason Whittaker | Jason Whittaker | 2 | | | | | | | Kirk Stevens | Kirk Stevens | 5 | |
| | | | Kirk Stevens | Kirk Stevens | 9 | | | | Kirk Stevens | Kirk Stevens | 5 | |
| Ken Shea | Ken Shea | 9 | Ken Shea | Ken Shea | 4 | | | | | | | |
| Ken Shea | Ken Shea | 9 | Ken Shea | Ken Shea | 4 | Kirk Stevens | Kirk Stevens | 9 | | | | |
| Paul Thornley | Paul Thornley | 8 | | | | Kirk Stevens | Kirk Stevens | 9 | | | | |
| Paul Thornley | Paul Thornley | 8 | | | | Frank Jonik | Frank Jonik | 5 | | | | |
| | | | Frank Jonik | Frank Jonik | 9 | Frank Jonik | Frank Jonik | 5 | | | | |
| Frank Jonik | Frank Jonik | 9 | John Spencer | John Spencer | 7 | | | | | | | | | |
| Frank Jonik | Frank Jonik | 9 | John Spencer | John Spencer | 7 | | | | | | | Cliff Thorburn | Cliff Thorburn | 17 |
| Jim Bear | Jim Bear | 6 | | | | | | | | | | Cliff Thorburn | Cliff Thorburn | 17 |
| Jim Bear | Jim Bear | 6 | | | | | | | | | | Terry Griffiths | Terry Griffiths | 10 |
| | | | Terry Griffiths | Terry Griffiths | 9 | | | | | | | Terry Griffiths | Terry Griffiths | 10 |
| John Bear | John Bear | 9 | John Bear | John Bear | 4 | | | | | | | | | |
| John Bear | John Bear | 9 | John Bear | John Bear | 4 | Terry Griffiths | Terry Griffiths | 9 | | | | | | |
| R Tammett | R Tammett | 4 | | | | Terry Griffiths | Terry Griffiths | 9 | | | | | | |
| R Tammett | R Tammett | 4 | | | | Steve Davis | Steve Davis | 2 | | | | | | |
| | | | Steve Davis | Steve Davis | 9 | Steve Davis | Steve Davis | 2 | | | | | | |
| Willie Thorne | Willie Thorne | 9 | Willie Thorne | Willie Thorne | 3 | | | | | | | | | |
| Willie Thorne | Willie Thorne | 9 | Willie Thorne | Willie Thorne | 3 | | | | Terry Griffiths | Terry Griffiths | 9 | | | |
| Terry Whitthread | Terry Whitthread | 3 | | | | | | | Terry Griffiths | Terry Griffiths | 9 | | | |
| Terry Whitthread | Terry Whitthread | 3 | | | | | | | Alex Higgins | Alex Higgins | 6 | | | |
| | | | Alex Higgins | Alex Higgins | 9 | | | | Alex Higgins | Alex Higgins | 6 | | | |
| Jimmy White | Jimmy White | 9 | Jimmy White | Jimmy White | 7 | | | | | | | | | |
| Jimmy White | Jimmy White | 9 | Jimmy White | Jimmy White | 7 | Alex Higgins | Alex Higgins | 9 | | | | | | |
| Vic Harris | Vic Harris | 8 | | | | Alex Higgins | Alex Higgins | 9 | | | | | | |
| Vic Harris | Vic Harris | 8 | | | | Tony Meo | Tony Meo | 7 | | | | | | |
| | | | Tony Meo | Tony Meo | 9 | Tony Meo | Tony Meo | 7 | | | | | | |
| Bernie Mikkelsen | Bernie Mikkelsen | 9 | Bernie Mikkelsen | Bernie Mikkelsen | 1 | | | | | | | | | |
| Gilles Boismenu | Gilles Boismenu | 1 | | | | | | | | | | | | |