| 1977 Rothmans Canadian Open | |
|---|---|
| Date | August 15–22 |
| Edition | 88th |
| Surface | Clay / outdoor |
| Location | Toronto, Ontario, Canada |
| Venue | National Tennis Centre |
| Champions | |
| Men's singles | |
 Jeff Borowiak | |
| Women's singles | |
 Regina Maršíková | |
| Men's doubles | |
 Bob Hewitt /  Raúl Ramírez | |
| Women's doubles | |
| Delina Ann Boshoff / Ilana Kloss | |
The 1977 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the National Tennis Centre in Toronto in Canada that was part of the 1977 Colgate-Palmolive Grand Prix and of the 1977 WTA Tour. The tournament was held from August 15 through August 22, 1977.
