This is a list of number one singles of 2007 on CBC Radio 3's R3-30 charts.
| Date | Artist | Song | Album |
|---|---|---|---|
| January 4 | Henri Fabergé and the Adorables | "Ventriloquist Love" | Henri Fabergé and the Adorables |
| January 11 | |||
| January 18 | Shotgun & Jaybird | "Two and Two is Four" | Trying to Get Somewhere |
| January 25 | Jewish Legend | "Tigris River" | Telepathy Now! |
| February 1 | Matt Mays and Buck 65 | "When the Angels Make Contact" | When the Angels Make Contact |
| February 8 | Johnny and the Moon | "All Things Gonna Come Back Around" | Johnny and the Moon |
| February 15 | Land of Talk | "Summer Special" | Applause Cheer Boo Hiss |
| February 22 | Champion | "Guy Doune (Patrick Watson's Missing You Remix)" | The Remix Album |
| March 1 | Swan Lake | "All Fires" | Beast Moans |
| March 8 | Apostle of Hustle | "My Sword Hand's Anger" | National Anthem of Nowhere |
| March 15 | Julie Doiron | "I Woke Myself Up" | Woke Myself Up |
| March 22 | Arcade Fire | "Black Mirror" | Neon Bible |
| March 30 | |||
| April 5 | |||
| April 12 | |||
| April 19 | |||
| April 26 | The Memories Attack | "Love in the Time of Hate" | The Memories Attack |
| May 3 | The Western Investor | "If You Wanna Go" | This Beautiful Town |
| May 10 | Joel Plaskett Emergency | "Snowed In" | Ashtray Rock |
| May 17 | |||
| May 24 | |||
| May 31 | The Besnard Lakes | "Devastation" | The Besnard Lakes Are the Dark Horse |
| June 7 | You Say Party! We Say Die! | "Downtown Mayors Goodnight, Alley Kids Rule!" | Lose All Time |
| June 14 | Great Lake Swimmers | "Your Rocky Spine" | Ongiara |
| June 21 | The Weakerthans | "Bad Time to Be Poor" | Secret Sessions: Rheostatics Tribute |
| June 28 | Lesbians on Ecstasy | "Sisters in the Struggle" | We Know You Know |
| July 5 | Pink Mountaintops | "Single Life" | Single Life / My Best Friend EP |
| July 12 | |||
| July 19 | Maybe Smith | "Bloody Nose" | Animals & Architects |
| July 26 | Abdominal | "Pedal Pusher" | Escape From The Pigeon Hole |
| August 2 | Young Galaxy | "Searchlight" | Young Galaxy |
| August 9 | Handsome Furs | "Cannot Get Started" | Plague Park |
| August 16 | |||
| August 23 | Miracle Fortress | "Have You Seen In Your Dreams" | Five Roses |
| August 30 | |||
| September 6 | Shapes and Sizes | "Head Movin" | Split Lips, Winning Hips, A Shiner |
| September 13 | Pride Tiger | "Let 'Em Go" | The Lucky Ones |
| September 20 | Lightning Dust | "Listened On" | Lightning Dust |
| September 27 | Two Hours Traffic | "Backseat Sweetheart" | Little Jabs |
| October 4 | Tegan and Sara | "The Con" | The Con |
| October 11 | |||
| October 18 | Hot Little Rocket | "Sleep Today" | How to Lose Everything |
| October 25 | The New Pornographers | "My Rights vs. Yours" | Challengers |
| November 1 | |||
| November 8 | Caribou | "Melody Day" | Andorra |
| November 15 | The Weakerthans | "Civil Twilight" | Reunion Tour |
| November 22 | |||
| November 29 | |||
| December 6 | |||
| December 13 | |||
| December 20 | Kevin Drew | "Backed Out on the..." | Spirit If... |
| December 27 | Stars | "The Night Starts Here" | In Our Bedroom After the War |
| Year-end Top 100 | The Weakerthans | "Civil Twilight" | Reunion Tour |
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