This is a list of the weekly Canadian RPM magazine [n 1] number one Top Singles chart of 1972. [n 2] [n 3]
| Volume:Issue | Issue Date(s) | Song | Artist |
| 16:20 | 8 January | "Brand New Key" | Melanie |
| 16:21/22 | 15 January | ||
| 16:23 | 22 January | "American Pie" | Don McLean |
| 16:24 | 29 January | ||
| 16:25 | 5 February | ||
| 16:26 | 12 February | ||
| 17:1 | 19 February | ||
| 17:2 | 26 February | "Love Me, Love Me Love" | Frank Mills |
| 17:3 | 4 March | ||
| 17:4 | 11 March | "Without You" | Nilsson |
| 17:5 | 18 March | "Down by the Lazy River" | The Osmonds |
| 17:6 | 25 March | ||
| 17:7 | 1 April | "Cotton Jenny" | Anne Murray |
| 17:8 | 8 April | "Heart of Gold" | Neil Young |
| 17:9 | 15 April | "Puppy Love" | Donny Osmond |
| 17:10 | 22 April | ||
| 17:11 | 29 April | ||
| 17:12 | 6 May | "A Horse with No Name" | America |
| 17:13 | 13 May | "Heart of Gold" | Neil Young |
| 17:14 | 20 May | "The First Time Ever I Saw Your Face" | Roberta Flack |
| 17:15 | 27 May | ||
| 17:16 | 3 June | ||
| 17:17 | 10 June | "Amazing Grace" | Royal Scots Dragoon Guards |
| 17:18 | 17 June | ||
| 17:19 | 24 June | ||
| 17:20 | 1 July | "Nice to Be with You" | Gallery |
| 17:21 | 8 July | ||
| 17:22 | 15 July | "Troglodyte" | Jimmy Castor |
| 17:23 | 22 July | ||
| 17:24 | 29 July | "Too Late to Turn Back Now" | Cornelius Brothers & Sister Rose |
| 17:25 | 5 August | ||
| 17:26 | 12 August | "Daddy Don't You Walk So Fast" | Wayne Newton |
| 18:1 | 19 August | "Alone Again (Naturally)" | Gilbert O'Sullivan |
| 18:2 | 26 August | ||
| 18:3 | 2 September | ||
| 18:4 | 9 September | "Brandy (You're a Fine Girl)" | Looking Glass |
| 18:5 | 16 September | "Long Cool Woman in a Black Dress" | The Hollies |
| 18:6 | 23 September | ||
| 18:7 | 30 September | "Black and White" | Three Dog Night |
| 18:8 | 7 October | ||
| 18:9 | 14 October | ||
| 18:10 | 21 October | "My Ding-a-Ling" | Chuck Berry |
| 18:11 | 28 October | ||
| 18:12 | 4 November | ||
| 18:13 | 11 November | "Nights in White Satin" | The Moody Blues |
| 18:14 | 18 November | "Garden Party" | Rick Nelson |
| 18:15 | 25 November | "I Can See Clearly Now" | Johnny Nash |
| 18:16 | 2 December | ||
| 18:17 | 9 December | "I'd Love You to Want Me" | Lobo |
| 18:18 | 16 December | "I Am Woman" | Helen Reddy |
| 18:19 | 23 December | ||
| 18:20 | 30 December |