| Date: | July 19–27 (men) July 26 – August 3 (women) |
| Edition: | 119th (men) / 107th (women) |
| Category: | Masters Series (men) Tier I Series (women) |
| Surface: | Hard / outdoor |
| Main Name: | Canadian Open (tennis) Canadian Open |
| Location: | Toronto (men) Montreal (women) Canada |
| Champms: |  Rafael Nadal[1] |
| Champws: |  Dinara Safina |
| Champmd: |  Daniel Nestor /  Nenad Zimonjić[2] |
| Champwd: | Cara Black /  Liezel Huber |
The 2008 Canada Masters (also known as the 2008 Rogers Masters and 2008 Rogers Cup for sponsorship reasons) was a tennis tournament played on outdoor hard courts. It was the 119th edition of the Canada Masters for the men (the 107th edition for the women), and was part of the ATP Masters Series of the 2008 ATP Tour, and of the Tier I Series of the 2008 WTA Tour. The men's event took place at the Rexall Centre in Toronto, Ontario, Canada, from July 19 through July 27, 2008, and the women's event at the Uniprix Stadium in Montreal, Quebec, Canada, from July 26 through August 3, 2008. The event was scheduled two weeks earlier than the usual early-August date to avoid conflicting with the 2008 Summer Olympics.
The men's field featured World No. 1, French Open and Wimbledon runner-up Roger Federer, ATP No. 2, French Open and new Wimbledon winner Rafael Nadal, and Australian Open titlist and Canada Masters defending champion Novak Djokovic. Also competing were ATP No. 4, Miami Masters, Pörtschach and Warsaw titlist Nikolay Davydenko, Valencia and s'Hertogenbosch winner David Ferrer, Andy Roddick, James Blake and Andy Murray.
On the women's side were present World No. 1 and French Open champion Ana Ivanovic, Rome Tier I winner and 2007 Canada Masters runner-up Jelena Janković, and reigning Australian Open champion Maria Sharapova. Other top seeded players were French Open semifinalist Svetlana Kuznetsova, Wimbledon semifinalist and Dubai titlist Elena Dementieva, Anna Chakvetadze, Dinara Safina and Vera Zvonareva.
See main article: 2008 Rogers Masters – Singles. Rafael Nadal defeated Nicolas Kiefer 6–3, 6–2
See main article: 2008 Rogers Cup – Singles. Dinara Safina defeated 
Dominika Cibulková 6–2, 6–1
See main article: 2008 Rogers Masters – Doubles. Daniel Nestor / Nenad Zimonjić defeated Bob Bryan / Mike Bryan 6–2, 4–6, [10–6]
See main article: 2008 Rogers Cup – Doubles. Cara Black / Liezel Huber defeated Maria Kirilenko / 
Flavia Pennetta 6–1, 6–1