These are the Canadian number-one country albums of 1978, per the RPM Country Albums chart.
| Issue date | Album | Artist |
|---|---|---|
| August 19 | Let's Keep It That Way | Anne Murray |
| August 26 | Stardust | Willie Nelson |
| September 2 | When I Dream | Crystal Gayle |
| September 9 | Stardust | Willie Nelson |
| September 16 | Stardust | Willie Nelson |
| September 23 | Heartbreaker | Dolly Parton |
| October 7 | Let's Keep It That Way | Anne Murray |
| October 14 | Elvis Sings for Children and Grownups Too | Elvis Presley |
| October 21 | Elvis Sings for Children and Grownups Too | Elvis Presley |
| October 28 | Elvis Sings for Children and Grownups Too | Elvis Presley |
| November 18 | Elvis: A Canadian Tribute | Elvis Presley |
| November 25 | Elvis: A Canadian Tribute | Elvis Presley |
| December 2 | Elvis: A Canadian Tribute | Elvis Presley |
| December 9 | Elvis: A Canadian Tribute | Elvis Presley |
| December 16 | Elvis: A Canadian Tribute | Elvis Presley |
| December 23 | Elvis: A Canadian Tribute | Elvis Presley |
| December 30 | Elvis: A Canadian Tribute | Elvis Presley |