The 2007 CFL season was the 54th season of modern Canadian professional football. Officially, it was the 50th season of the league, and many special events were held to commemorate the event. Regular-season play began on June 28, 2007 at the Rogers Centre in Toronto, Ontario and concluded on Saturday, November 3, 2007. The playoffs began on Sunday, November 11, 2007, and ended with the championship game, the 95th Grey Cup, at the Rogers Centre in Toronto, on November 25, 2007, with the Saskatchewan Roughriders as champion.

On February 14, 2007, the CFL announced the game schedule for the 2007 season, introducing a 19-week schedule that included 18 regular-season games and one bye week for each team. Bye weeks were taken consecutively by each division beginning with the East in Week 8, creating two weeks of divisional rivalry games.

The year's regular-season schedule kicked off on Canada Day weekend and included the CFL's annual traditional rivalries — highlighted by the Labour Day and Thanksgiving Classics. The Canadian Football Hall of Fame game returned to Ivor Wynne Stadium on induction weekend and featured the Winnipeg Blue Bombers and the Hamilton Tiger-Cats on September 15.

The regular-season concluded with a triple-header on Saturday, November 3, as teams finalized post-season positioning before the Division Semi-Finals began eight days later on Sunday, November 11. The CFL's Division Championships qualified the season's two Grey Cup competing teams one week later on November 18. The 2007 season officially concluded with the 95th Grey Cup on Sunday, November 25, returning to Toronto for the first time since 1992.

On February 28, 2007, the CFL announced details of the 2007 broadcast schedule which included all 77 games broadcast across the country by partners TSN, CBC or RDS.

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