1973 Rothmans Canadian Open

{{Use mdy dates|date=August 2023}}

{{TennisEventInfo|1973|Rothmans Canadian Open|

| date=August 20–26

| edition=84th

| surface=Clay / outdoor

| location=Toronto, Ontario, Canada

| venue=Toronto Lawn Tennis Club

| champms={{flagicon|NED}} Tom Okker{{cite web|title=1973 Toronto – Men's Singles draw|url=https://www.atptour.com/en/scores/archive/toronto/421/1973/draws?matchtype=singles|publisher=Association of Tennis Professionals (ATP)}}

| champws={{flagicon|AUS}} Evonne Goolagong

| champmd={{flagicon|AUS}} Rod Laver / {{flagicon|AUS}} Ken Rosewall{{cite web|title=1973 Toronto – Men's Doubles draw|url=https://www.atptour.com/en/scores/archive/toronto/421/1973/draws?matchtype=doubles|publisher=Association of Tennis Professionals (ATP)}}

| champwd={{flagicon|AUS}} Evonne Goolagong / {{flagicon|USA}} Peggy Michel

| main_name= Canadian Open (tennis) {{!}} Canadian Open

}}

The 1973 Rothmans Canadian Open was a tennis tournament played on outdoor clay courts at the Toronto Lawn Tennis Club{{Cite news|url=http://www.rogerscup.com/tc125-the-tournaments/|title=TC125: The Tournaments - Rogers Cup WTA|date=2015-12-08|work=Rogers Cup WTA|access-date=2017-08-10|language=en-US}} in Toronto in Canada that was part of the 1973 Commercial Union Assurance Grand Prix and of the 1973 WTA Tour. The tournament was held from August 20 through August 26, 1973. Tom Okker and Evonne Goolagong won the singles titles.{{cite news |author1=Ron Sudlow |title=Okker, Goolagong claim Canadian Open net crowns |url=https://www.newspapers.com/image/455517955/ |work=The Ottawa Citizen |date=August 27, 1973 |page=14 |via=Newspapers.com |url-access=limited}}{{cite book|title=World of Tennis '74 : a BP and Commercial Union yearbook|year=1974|publisher=Queen Anne Press|location=London|isbn=9780362001686|pages=88–91, 157|editor=John Barrett}}