These are the Canadian number-one albums of 2005. The chart is compiled by Nielsen Soundscan and published by Jam! Canoe, issued every Sunday. The chart also appears in Billboard magazine as Top Canadian Albums.[1]
| Issue date | Album | Artist |
|---|---|---|
| January 1 | Greatest Hits | Shania Twain |
| January 8 | ||
| January 15 | Encore | Eminem |
| January 22 | American Idiot | Green Day |
| January 29 | ||
| February 5 | ||
| February 12 | ||
| February 19 | ||
| February 26 | ||
| March 5 | ||
| March 12 | ||
| March 19 | The Massacre | 50 Cent |
| March 26 | ||
| April 2 | ||
| April 9 | ||
| April 16 | ||
| April 23 | ||
| April 30 | ||
| May 7 | Il Divo | Il Divo |
| May 14 | ||
| May 21 | ||
| May 28 | Make Believe | Weezer |
| June 4 | Mezmerize | System of a Down |
| June 11 | Out of Exile | Audioslave |
| June 18 | Il Divo | Il Divo |
| June 25 | X&Y | Coldplay |
| July 2 | ||
| July 9 | ||
| July 16 | Monkey Business | The Black Eyed Peas |
| July 23 | ||
| July 30 | ||
| August 6 | ||
| August 13 | ||
| August 20 | ||
| August 27 | ||
| September 3 | Most Wanted | Hilary Duff |
| September 10 | ||
| September 17 | Late Registration | Kanye West |
| September 24 | A Bigger Bang | Rolling Stones |
| October 1 | Late Registration | Kanye West |
| October 8 | Have a Nice Day | Bon Jovi |
| October 15 | Wildflower | Sheryl Crow |
| October 22 | All the Right Reasons | Nickelback |
| October 29 | ||
| November 5 | ||
| November 12 | ||
| November 19 | Star Academie 2005 | Various Artists |
| November 26 | Ancora | Il Divo |
| December 3 | Confessions on a Dance Floor | Madonna |
| December 10 | Hypnotize | System of a Down |
| December 17 | Ancora | Il Divo |
| December 24 | Eminem | |
| December 31 |