| Issue Date | Song | Artist(s) |
|---|---|---|
| January 1 | "Money, Money, Money" | ABBA |
| January 8 | ||
| January 15 | ||
| January 22 | ||
| January 29 | "Somebody to Love" ‡ | Queen |
| February 5 | ||
| February 12 | ||
| February 19 | ||
| February 26 | ||
| March 5 | ||
| March 12 | ||
| March 19 | "Knowing Me, Knowing You" | ABBA |
| March 26 | ||
| April 2 | "Go Your Own Way" | Fleetwood Mac |
| April 9 | ||
| April 16 | ||
| April 23 | ||
| April 30 | "More Than a Feeling" † | Boston |
| May 7 | ||
| May 14 | ||
| May 21 | ||
| May 28 | ||
| June 4 | ||
| June 11 | ||
| June 18 | ||
| June 25 | "Ma Baker" | Boney M. |
| July 2 | ||
| July 9 | ||
| July 16 | "Don't Stop" | Fleetwood Mac |
| July 23 | ||
| July 30 | ||
| August 6 | "Yes Sir, I Can Boogie" | Baccara |
| August 13 | ||
| August 20 | ||
| August 27 | ||
| September 3 | ||
| September 10 | "I Feel Love" | Donna Summer |
| September 17 | ||
| September 24 | ||
| October 1 | ||
| October 8 | ||
| October 15 | ||
| October 22 | "Belfast" | Boney M. |
| October 29 | ||
| November 5 | ||
| November 12 | "Don't Let Me Be Misunderstood" | Santa Esmeralda |
| November 19 | ||
| November 26 | ||
| December 3 | ||
| December 10 | ||
| December 17 | ||
| December 24 | "Mull of Kintyre"/Girls' School | Wings |
| December 31 |
