| Issue Date | Song | Artist(s) |
|---|---|---|
| January 7 | "Mull of Kintyre"/Girls' School ‡ | Wings |
| January 14 | ||
| January 21 | ||
| January 28 | ||
| February 4 | ||
| February 11 | ||
| February 18 | ||
| February 25 | ||
| March 4 | ||
| March 11 | "Take a Chance on Me" | ABBA |
| March 18 | ||
| March 25 | ||
| April 1 | "Stayin' Alive" | Bee Gees |
| April 8 | ||
| April 15 | ||
| April 22 | ||
| April 29 | "Rivers of Babylon"/ "Brown Girl in the Ring" † |
Boney M. |
| May 6 | ||
| May 13 | ||
| May 20 | ||
| May 27 | ||
| June 3 | ||
| June 10 | ||
| June 17 | ||
| June 24 | ||
| June 30 | ||
| July 1 | ||
| July 8 | ||
| July 15 | ||
| July 22 | ||
| July 29 | ||
| August 5 | ||
| August 12 | "You're the One That I Want" | John Travolta and Olivia Newton-John |
| August 19 | ||
| August 26 | ||
| September 2 | ||
| September 9 | ||
| September 16 | ||
| September 23 | ||
| September 30 | ||
| October 7 | "Rasputin" | Boney M. |
| October 14 | ||
| October 21 | ||
| October 28 | "Summer Nights" | John Travolta and Olivia Newton-John |
| November 4 | ||
| November 11 | ||
| November 18 | ||
| November 25 | ||
| December 2 | ||
| December 9 | ||
| December 16 | "Mary's Boy Child – Oh My Lord" | Boney M. |
| December 23 | ||
| December 30 |
