| LW | TW | peak |
| 4 | 1 | Disco Duck (Part 1) | ▲ |  |
| Rick Dees And His Cast Of Idiots |
| 1 | 2 | If You Leave Me Now | 1 | |
| Chicago |
| 6 | 3 | She's Gone | 1 | |
| Daryl Hall And John Oates |
| 9 | 4 | Rock'n Me | 1 | |
| The Steve Miller Band |
| 3 | 5 | Devil Woman | 2 | |
| Cliff Richard |
| 2 | 6 | A Fifth Of Beethoven | 1 | |
| Walter Murphy & The Big Apple Band |
| 5 | 7 | Still The One | 3 | |
| Orleans |
| 10 | 8 | That'll Be The Day | 6 | |
| Linda Ronstadt |
| 16 | 9 | Magic Man | 4 | |
| Heart |
| - | 10 | The Wreck Of The Edmund Fitzgerald | 1 | |
| Gordon Lightfoot |
| 8 | 11 | Lowdown | 3 | |
| Boz Scaggs |
| 15 | 12 | I Only Want To Be With You | 7 | |
| Bay City Rollers |
| 20 | 13 | Beth | 3 | |
| Kiss |
| 18 | 14 | This One's For You | ▲ | |
| Barry Manilow |
| 13 | 15 | A Little Bit More | 7 | |
| Dr. Hook |
| 17 | 16 | Fernando | 2 | |
| Abba |
| 11 | 17 | Play That Funky Music | 1 | |
| Wild Cherry |
| 12 | 18 | (Shake, Shake, Shake) Shake Your Booty | 1 | |
| KC And The Sunshine Band |
| - | 19 | You Are My Starship | 13 | |
| Norman Connors |
| - | 20 | You Are The Woman | 5 | |
| Firefall |
| Prior Week | Next Week |