List of number-one R&B singles of 1998 (U.S.)
These are the Billboard magazine R&B singles chart number one hits of 1998:
Chart history
| Issue Date | Song | Artist |
| January 3 | "A Song for Mama" | Boyz II Men |
| January 10 | "My Body" | LSG |
| January 17 | "My Body" | LSG |
| January 24 | "Nice and Slow" | Usher |
| January 31 | "Nice and Slow" | Usher |
| February 7 | "Nice and Slow" | Usher |
| February 14 | "Nice and Slow" | Usher |
| February 21 | "Nice and Slow" | Usher |
| February 28 | "Nice and Slow" | Usher |
| March 7 | "Nice and Slow" | Usher |
| March 14 | "Nice and Slow" | Usher |
| March 21 | "No, No, No" | Destiny's Child |
| March 28 | "Let's Ride" | Montell Jordan featuring Master P and Silkk the Shocker |
| April 4 | "All My Life" | K-Ci & JoJo |
| April 11 | "All My Life" | K-Ci & JoJo |
| April 18 | "Let's Ride" | Montell Jordan featuring Master P and Silkk the Shocker |
| April 25 | "Let's Ride" | Montell Jordan featuring Master P and Silkk the Shocker |
| May 2 | "Too Close" | Next |
| May 9 | "Too Close" | Next |
| May 16 | "Too Close" | Next |
| May 23 | "I Get Lonely" | Janet and Blackstreet |
| May 30 | "I Get Lonely" | Janet and Blackstreet |
| June 6 | "The Boy Is Mine" | Brandy and Monica |
| June 13 | "The Boy Is Mine" | Brandy and Monica |
| June 20 | "The Boy Is Mine" | Brandy and Monica |
| June 27 | "The Boy Is Mine" | Brandy and Monica |
| July 4 | "The Boy Is Mine" | Brandy and Monica |
| July 11 | "The Boy Is Mine" | Brandy and Monica |
| July 18 | "The Boy Is Mine" | Brandy and Monica |
| July 25 | "The Boy Is Mine" | Brandy and Monica |
| August 1 | "Friend of Mine" | Kelly Price |
| August 8 | "Friend of Mine" | Kelly Price |
| August 15 | "Friend of Mine" | Kelly Price |
| August 22 | "Friend of Mine" | Kelly Price |
| August 29 | "Friend of Mine" | Kelly Price |
| September 5 | "The First Night" | Monica |
| September 12 | "The First Night" | Monica |
| September 19 | "The First Night" | Monica |
| September 26 | "The First Night" | Monica |
| October 3 | "The First Night" | Monica |
| October 10 | "The First Night" | Monica |
| October 17 | "How Deep Is Your Love" | Dru Hill featuring Redman |
| October 24 | "How Deep Is Your Love" | Dru Hill featuring Redman |
| October 31 | "How Deep Is Your Love | Dru Hill featuring Redman |
| November 7 | "Nobody's Supposed to Be Here" | Deborah Cox |
| November 14 | "Nobody's Supposed to Be Here" | Deborah Cox |
| November 21 | "Nobody's Supposed to Be Here" | Deborah Cox |
| November 28 | "Nobody's Supposed to Be Here" | Deborah Cox |
| December 5 | "Nobody's Supposed to Be Here" | Deborah Cox |
| December 12 | "Nobody's Supposed to Be Here" | Deborah Cox |
| December 19 | "Nobody's Supposed to Be Here" | Deborah Cox |
| December 26 | "Nobody's Supposed to Be Here" | Deborah Cox |
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Chart comparisons
- Five songs reached number-one on the Billboard Hot 100/pop chart: "Nice and Slow," "All My Life," "Too Close," "The Boy Is Mine" and "The First Night."
- Five songs reached number-one on the Rhythmic chart: "Nice and Slow," "All My Life," "Too Close," "The Boy Is Mine" and "How Deep Is Your Love." "You Make Me Wanna..." topped the chart from last year.
See also
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