This is a list of the U.S. Billboard magazine Rhythmic Top 40 number-ones of 1997.
| Issue Date | Song | Artist |
| January 4 | "Un-Break My Heart" | Toni Braxton |
| January 11 | "Un-Break My Heart" | Toni Braxton |
| January 18 | "Un-Break My Heart" | Toni Braxton |
| January 25 | "Un-Break My Heart" | Toni Braxton |
| February 1 | "Un-Break My Heart" | Toni Braxton |
| February 8 | "Un-Break My Heart" | Toni Braxton |
| February 15 | "Don't Let Go (Love)" | En Vogue |
| February 22 | "Wannabe" | Spice Girls |
| March 1 | "Wannabe" | Spice Girls |
| March 8 | "Wannabe" | Spice Girls |
| March 15 | "Wannabe" | Spice Girls |
| March 22 | "Wannabe" | Spice Girls |
| March 29 | "Return of The Mack" | Mark Morrison |
| April 5 | "Return of The Mack" | Mark Morrison |
| April 12 | "Return of The Mack" | Mark Morrison |
| April 19 | "Return of The Mack" | Mark Morrison |
| April 26 | "Don't Leave Me" | BLACKstreet |
| May 3 | "Don't Leave Me" | BLACKstreet |
| May 10 | "Don't Leave Me" | BLACKstreet |
| May 17 | "Return of The Mack" | Mark Morrison |
| May 24 | "Don't Leave Me" | BLACKstreet |
| May 31 | "Return of The Mack" | Mark Morrison |
| June 7 | "Return of The Mack" | Mark Morrison |
| June 14 | "Return of The Mack" | Mark Morrison |
| June 21 | "Return of The Mack" | Mark Morrison |
| June 28 | "I'll Be Missing You" | Puff Daddy & Faith Evans featuring 112 |
| July 5 | "I'll Be Missing You" | Puff Daddy & Faith Evans featuring 112 |
| July 12 | "I'll Be Missing You" | Puff Daddy & Faith Evans featuring 112 |
| July 19 | "I'll Be Missing You" | Puff Daddy & Faith Evans featuring 112 |
| July 26 | "I'll Be Missing You" | Puff Daddy & Faith Evans featuring 112 |
| August 2 | "Men In Black" | Will Smith |
| August 9 | "Men In Black" | Will Smith |
| August 16 | "Men In Black" | Will Smith |
| August 23 | "Men In Black" | Will Smith |
| August 30 | "Men In Black" | Will Smith |
| September 6 | "Men In Black" | Will Smith |
| September 13 | "Men In Black" | Will Smith |
| September 20 | "Men In Black" | Will Smith |
| September 27 | "Honey" | Mariah Carey |
| October 4 | "Honey" | Mariah Carey |
| October 11 | "Honey" | Mariah Carey |
| October 18 | "You Make Me Wanna..." | Usher |
| October 25 | "You Make Me Wanna..." | Usher |
| November 1 | "You Make Me Wanna..." | Usher |
| November 8 | "You Make Me Wanna..." | Usher |
| November 15 | "You Make Me Wanna..." | Usher |
| November 22 | "You Make Me Wanna..." | Usher |
| November 29 | "You Make Me Wanna..." | Usher |
| December 6 | "You Make Me Wanna..." | Usher |
| December 13 | "You Make Me Wanna..." | Usher |
| December 20 | "You Make Me Wanna..." | Usher |
| December 27 | "You Make Me Wanna..." | Usher |
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