| Song | Artist | | January 6 | Another Day In Paradise | Phil Collins |
| January 13 | Another Day In Paradise | Phil Collins |
| January 20 | How Am I Supposed To Live Without You | Michael Bolton |
| January 27 | How Am I Supposed To Live Without You | Michael Bolton |
| February 3 | How Am I Supposed To Live Without You | Michael Bolton |
| February 10 | Opposites Attract | Paula Abdul with The Wild Pair |
| February 17 | Opposites Attract | Paula Abdul with The Wild Pair |
| February 24 | Opposites Attract | Paula Abdul with The Wild Pair |
| March 3 | Escapade | Janet Jackson |
| March 10 | Escapade | Janet Jackson |
| March 17 | Escapade | Janet Jackson |
| March 24 | Black Velvet | Alannah Myles |
| March 31 | Black Velvet | Alannah Myles |
| April 7 | Love Will Lead You Back | Taylor Dayne |
| April 14 | I'll Be Your Everything | Tommy Page |
| April 21 | Nothing Compares 2 U | Sinad O'Connor |
| April 28 | Nothing Compares 2 U | Sinead O'Connor |
| May 5 | Nothing Compares 2 U | Sinead O'Connor |
| May 12 | Nothing Compares 2 U | Sinead O'Connor |
| May 19 | Vogue | Madonna |
| May 26 | Vogue | Madonna |
| June 2 | Vogue | Madonna |
| June 9 | Hold On | Wilson Phillips |
| June 16 | It Must Have Been Love | Roxette |
| June 23 | It Must Have Been Love | Roxette |
| June 30 | Step by Step | New Kids on the Block |
| July 7 | Step by Step | New Kids on the Block |
| July 14 | Step by Step | New Kids on the Block |
| July 21 | She Ain't Worth It | Glenn Medeiros featuring Bobby Brown |
| July 28 | She Ain't Worth It | Glenn Medeiros featuring Bobby Brown |
| August 4 | Vision of Love | Mariah Carey |
| August 11 | Vision of Love | Mariah Carey |
| August 18 | Vision of Love | Mariah Carey |
| August 25 | Vision of Love | Mariah Carey |
| September 1 | If Wishes Came True | Sweet Sensation |
| September 8 | Blaze of Glory | Jon Bon Jovi |
| September 15 | Release Me | Wilson Phillips |
| September 22 | Release Me | Wilson Phillips |
| September 29 | (Can't Live Without Your) Love & Affection | Nelson |
| October 6 | Close to You | Maxi Priest |
| October 13 | Praying for Time | George Michael |
| October 20 | I Don't Have The Heart | James Ingram |
| October 27 | Black Cat | Janet Jackson |
| November 3 | Ice Ice Baby | Vanilla Ice |
| November 10 | Love Takes Time | Mariah Carey |
| November 17 | Love Takes Time | Mariah Carey |
| November 24 | Love Takes Time | Mariah Carey |
| December 1 | I'm Your Baby Tonight | Whitney Houston |
| December 8 | Because I Love You (The Postman Song) | Stevie B |
| December 15 | Because I Love You (The Postman Song) | Stevie B |
| December 22 | Because I Love You (The Postman Song) | Stevie B |
| December 29 | Because I Love You (The Postman Song) | Stevie B |