| Issue Date | Song | Artist | | January 6 | "Got to Be Real" | Cheryl Lynn |
| January 13 | "September" | Earth, Wind & Fire |
| January 20 | "Aqua Boogie (A Psychoalphadiscobetabioaquadoloop)" | Parliament |
| January 27 | "Aqua Boogie (A Psychoalphadiscobetabioaquadoloop)" | Parliament |
| February 3 | "Aqua Boogie (A Psychoalphadiscobetabioaquadoloop)" | Parliament |
| February 10 | "Aqua Boogie (A Psychoalphadiscobetabioaquadoloop)" | Parliament |
| February 17 | "Bustin' Loose (Part 1)" | Chuck Brown & the Soul Searchers |
| February 24 | "Bustin' Loose (Part 1)" | Chuck Brown & the Soul Searchers |
| March 3 | "Bustin' Loose (Part 1)" | Chuck Brown & the Soul Searchers |
| March 10 | "Bustin' Loose (Part 1)" | Chuck Brown & the Soul Searchers |
| March 17 | "I Got My Mind Made Up (You Can Get It Girl)" | Instant Funk |
| March 24 | "I Got My Mind Made Up (You Can Get It Girl)" | Instant Funk |
| March 31 | "He's the Greatest Dancer" | Sister Sledge |
| April 7 | "I Got My Mind Made Up (You Can Get It Girl)" | Instant Funk |
| April 14 | "Disco Nights (Rock-Freak)" | GQ |
| April 21 | "Disco Nights (Rock-Freak)" | GQ |
| April 28 | "Reunited" | Peaches & Herb |
| May 5 | "Reunited" | Peaches & Herb |
| May 12 | "Reunited" | Peaches & Herb |
| May 19 | "Reunited" | Peaches & Herb |
| May 26 | "I Wanna Be With You (Part 1)" | The Isley Brothers |
| June 2 | "Ain't No Stoppin' Us Now" | McFadden & Whitehead |
| June 9 | "We Are Family" | Sister Sledge |
| June 16 | "Ring My Bell" | Anita Ward |
| June 23 | "Ring My Bell" | Anita Ward |
| June 30 | "Ring My Bell" | Anita Ward |
| July 7 | "Ring My Bell" | Anita Ward |
| July 14 | "Ring My Bell" | Anita Ward |
| July 21 | "Bad Girls" | Donna Summer |
| July 28 | "Good Times" | Chic |
| August 4 | "Good Times" | Chic |
| August 11 | "Good Times" | Chic |
| August 18 | "Good Times" | Chic |
| August 25 | "Good Times" | Chic |
| September 1 | "Good Times" | Chic |
| September 8 | "Don't Stop 'Til You Get Enough" | Michael Jackson |
| September 15 | "Don't Stop 'Til You Get Enough" | Michael Jackson |
| September 22 | "Don't Stop 'Til You Get Enough" | Michael Jackson |
| September 29 | "Don't Stop 'Til You Get Enough" | Michael Jackson |
| October 6 | "Don't Stop 'Til You Get Enough" | Michael Jackson |
| October 13 | "(Not Just) Knee Deep (Part 1)" | Funkadelic |
| October 20 | "(Not Just) Knee Deep (Part 1)" | Funkadelic |
| October 27 | "(Not Just) Knee Deep (Part 1)" | Funkadelic |
| November 3 | "Ladies' Night" | Kool & the Gang |
| November 10 | "Ladies' Night" | Kool & the Gang |
| November 17 | "Ladies' Night" | Kool & the Gang |
| November 24 | "Still" | The Commodores |
| December 1 | "I Wanna Be Your Lover" | Prince |
| December 8 | "I Wanna Be Your Lover" | Prince |
| December 15 | "Do You Love What You Feel" | Rufus and Chaka |
| December 22 | "Do You Love What You Feel" | Rufus and Chaka |
| December 29 | "Do You Love What You Feel" | Rufus and Chaka |
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