| Issue Date | Song | Artist(s) | | January 5 | "Living for the City" | Stevie Wonder |
| January 12 | "Until You Come Back to Me (That's What I'm Gonna Do)" | Aretha Franklin |
| January 19 | "I've Got to Use My Imagination" | Gladys Knight & the Pips |
| January 26 | "Livin' for You" | Al Green |
| February 2 | "Let Your Hair Down" | The Temptations |
| February 9 | "Boogie Down" | Eddie Kendricks |
| February 16 | "Boogie Down" | Eddie Kendricks |
| February 23 | "Boogie Down" | Eddie Kendricks |
| March 2 | "Mighty Love" | The Spinners |
| March 9 | "Mighty Love" | The Spinners |
| March 16 | "Lookin' for a Love" | Bobby Womack |
| March 23 | "Lookin' for a Love" | Bobby Womack |
| March 30 | "Lookin' for a Love" | Bobby Womack |
| April 6 | "Best Thing That Ever Happened to Me" | Gladys Knight & the Pips |
| April 13 | "Best Thing That Ever Happened to Me" | Gladys Knight & the Pips |
| April 20 | "TSOP (The Sound of Philadelphia)" | MFSB with The Three Degrees |
| April 27 | "The Payback, Pt. 1" | James Brown |
| May 4 | "The Payback, Pt. 1" | James Brown |
| May 11 | "Dancing Machine" | The Jackson 5 |
| May 18 | "I'm in Love" | Aretha Franklin |
| May 25 | "I'm in Love" | Aretha Franklin |
| June 1 | "Be Thankful for What You Got" | William DeVaughn |
| June 8 | "Hollywood Swinging" | Kool & the Gang |
| June 15 | "Sideshow" | Blue Magic |
| June 22 | "Finally Got Myself Together (I'm a Changed Man)" | The Impressions |
| June 29 | "Finally Got Myself Together (I'm a Changed Man)" | The Impressions |
| July 6 | "Rock Your Baby" | George McCrae |
| July 13 | "Rock Your Baby" | George McCrae |
| July 20 | "My Thang (Part 1)" | James Brown |
| July 27 | "My Thang (Part 1)" | James Brown |
| August 3 | "Feel Like Makin' Love" | Roberta Flack |
| August 10 | "Feel Like Makin' Love" | Roberta Flack |
| August 17 | "Feel Like Makin' Love" | Roberta Flack |
| August 24 | "Feel Like Makin' Love" | Roberta Flack |
| August 31 | "Feel Like Makin' Love" | Roberta Flack |
| September 7 | "Can't Get Enough of Your Love, Babe" | Barry White |
| September 14 | "Can't Get Enough of Your Love, Babe" | Barry White |
| September 21 | "Can't Get Enough of Your Love, Babe" | Barry White |
| September 28 | "You Haven't Done Nothin'" | Stevie Wonder |
| October 5 | "You Haven't Done Nothin'" | Stevie Wonder |
| October 12 | "Papa Don't Take No Mess (Part 1)" | James Brown |
| October 19 | "Do It ('Til You're Satisfied)" | B.T. Express |
| October 26 | "Higher Plane" | Kool & the Gang |
| November 2 | "Let's Straighten It Out" | Latimore |
| November 9 | "Let's Straighten It Out" | Latimore |
| November 16 | "Woman to Woman" | Shirley Brown |
| November 23 | "Woman to Woman" | Shirley Brown |
| November 30 | "I Feel a Song (In My Heart)" | Gladys Knight & the Pips |
| December 7 | "I Feel a Song (In My Heart)" | Gladys Knight & the Pips |
| December 14 | "You Got the Love" | Rufus |
| December 21 | "She's Gone" | Tavares |
| December 28 | "Boogie On Reggae Woman" | Stevie Wonder |
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