| ACTIVE | PLAYER | TITLES |
|---|---|---|
| Ivan Lendl | 6 | |
| A | Rafael Nadal | 5 |
| Charles Smith Hyman | 5 | |
| A | Novak Djokovic | 4 |
| Andre Agassi | 3 | |
| Andy Murray | 3 | |
| Beals Wright | 3 | |
| James F. Foulkes | 3 | |
| Jack A. Wright | 3 | |
| Robert Bédard | 3 | |
| Guillermo Vilas | 2 | |
| John McEnroe | 2 | |
| Roger Federer | 2 | |
| Leo Ware | 2 | |
| Malcolm D. Whitman | 2 | |
| William Larned | 2 | |
| Bernie Schwengers | 2 | |
| Thomas Y. Sherwell | 2 | |
| Frank Parker | 2 | |
| Pride Morey Lewis | 2 | |
| Whitney Reed | 2 | |
| A | Alexander Zverev | 1 |
| A | Daniil Medvedev | 1 |
| A | Pablo Carreño Busta | 1 |
| A | Jannik Sinner | 1 |
| A | Alexei Popyrin | 1 |
| Ramanathan Krishnan | 1 | |
| Cliff Richey | 1 | |
| Rod Laver | 1 | |
| John Newcombe | 1 | |
| Ilie Nastase | 1 | |
| Tom Okker | 1 | |
| Manuel Orantes | 1 | |
| Jeff Borowiak | 1 | |
| Eddie Dibbs | 1 | |
| Bjorn Borg | 1 | |
| Vitas Gerulaitis | 1 | |
| Boris Becker | 1 | |
| Michael Chang | 1 | |
| Andrei Chesnokov | 1 | |
| Mikael Pernfors | 1 | |
| Wayne Ferreira | 1 | |
| Chris Woodruff | 1 | |
| Patrick Rafter | 1 | |
| Thomas Johansson | 1 | |
| Marat Safin | 1 | |
| Andrei Pavel | 1 | |
| Guillermo Canas | 1 | |
| Andy Roddick | 1 | |
| Jo Wilfried Tsonga | 1 | |
| Isidore F. Hellmuth | 1 | |
| Harry D. Gamble | 1 | |
| Charles H. Farnum | 1 | |
| Joseph S. Clark | 1 | |
| Edward E. Tanner | 1 | |
| Fred S. Mansfield | 1 | |
| Fred Hovey | 1 | |
| Harry E. Avery | 1 | |
| Robert W. Pardo Matthews | 1 | |
| Robert Wrenn | 1 | |
| Irving Wright | 1 | |
| Robert Patrick Hay Baird | 1 | |
| Seiichiro Kashio | 1 | |
| Paul D. Bennett | 1 | |
| Wallace J. Bates | 1 | |
| Frank Anderson | 1 | |
| William Leroy Rennie | 1 | |
| George Lott | 1 | |
| Willard F. Crocker | 1 | |
| Leon De Turenne | 1 | |
| Wilmer Allison | 1 | |
| George Lyttleton-Rogers | 1 | |
| John Murio | 1 | |
| Marcel Rainville | 1 | |
| Eugene Smith | 1 | |
| Jack Tidball | 1 | |
| Walter Senior | 1 | |
| Donald McDiarmid | 1 | |
| James Evert | 1 | |
| William Tully | 1 | |
| Henri Rochon | 1 | |
| Brendan Macken | 1 | |
| Tony Vincent | 1 | |
| Richard Savitt | 1 | |
| Mervyn Rose | 1 | |
| Bernard Bartzen | 1 | |
| Noel Brown | 1 | |
| Reynaldo Garrido | 1 | |
| Ladislav Legenstein | 1 | |
| Juan Manuel Couder | 1 | |
| Roy Emerson | 1 | |
| Ronald Holmberg | 1 | |
| Allen Fox | 1 | |
| Manuel Santana | 1 |
Table: List of Most Canada Open ATP Masters 1000 Titles Men, Toronto, Montreal, Tennis, Ranked.