| Last year | No 1 hits of the year 1991 | Next year |
| US | UK | |
| 05 Jan 1991 | Justify My Love (Madonna) |
Bring Your Daughter... To The Slaughter (Iron Maiden) |
| 12 Jan 1991 | Justify My Love (Madonna) |
Bring Your Daughter... To The Slaughter (Iron Maiden) |
| 19 Jan 1991 | Love Will Never Be (Janet Jackson) |
Sadeness (Part 1) (Enigma) |
| 26 Jan 1991 | The First Time (Surface) |
Innuendo (Queen) |
| 02 Feb 1991 | The First Time (Surface) |
3 am Eternal (The KLF) |
| 09 Feb 1991 | Gonna Make You Sweat (C + C Music Factory) |
3 am Eternal (The KLF) |
| 16 Feb 1991 | Gonna Make You Sweat (C + C Music Factory) |
Do The Bartman (The Simpsons) |
| 23 Feb 1991 | All The Man That I Need (Whitney Houston) |
Do The Bartman (The Simpsons) |
| 02 Mar 1991 | All The Man That I Need (Whitney Houston) |
Do The Bartman (The Simpsons) |
| 09 Mar 1991 | Someday (Mariah Carey) |
Should I Stay Or Should I Go (The Clash) |
| 16 Mar 1991 | Someday (Mariah Carey) |
Should I Stay Or Should I Go (The Clash) |
| 23 Mar 1991 | One More Try (Timmy T) |
The Stonk (Hale and Pace) |
| 30 Mar 1991 | Coming Out Of The Dark (Gloria Estefan) |
The One And Only (Chesney Hawkes) |
| 06 Apr 1991 | Coming Out Of The Dark (Gloria Estefan) |
The One And Only (Chesney Hawkes) |
| 13 Apr 1991 | I've Been Thinking About You (Londonbeat) |
The One And Only (Cjesney Hawkes) |
| 20 Apr 1991 | You're In Love (Wilson Phillips) |
The One And Only (Chesney Hawkes) |
| 27 Apr 1991 | Baby Baby (Amy Grant) |
The One And Only (Chesney Hawkes) |
| 04 May 1991 | Baby Baby (Amy Grant) |
The Shoop Shoop Song (Cher) |
| 11 May 1991 | Joyride (Roxette) |
The Shoop Shoop Song (Cher) |
| 18 May 1991 | I Like The Way (The Kissing Game) (Hi Five) |
The Shoop Shoop Song (Cher) |
| 25 May 1991 | I Don't Wanna Cry (Mariah Carey) |
The Shoop Shoop Song (Cher) |
| 01 Jun 1991 | I Don't Wanna Cry (Mariah Carey) |
The Shoop Shoop Song (Cher) |
| 08 Jun 1991 | More Than Words (Extreme) |
I Wanna Sex You Up (Color Me Badd) |
| 15 Jun 1991 | Rush Rush (Paula Abdul) |
I Wanna Sex You Up (Color Me Badd) |
| 22 Jun 1991 | Rush Rush (Paula Abdul) |
I Wanna Sex ou Up (Color Me Badd) |
| 29 Jun 1991 | Rush Rush (Paula Abdul) |
Any Dream Will Do (Jason Donovan) |
| 06 Jul 1991 | Rush Rush (Paula Abdul) |
Any Dream Will Do (Jason Donovan) |
| 13 Jul 1991 | Rush Rush (Paula Abdul) |
(Everything I do) I do it for you (Bryan Adams) |
| 20 Jul 1991 | Unbelievable (E.M.F.) |
(Everything I do) I do it for you (Bryan Adams) |
| 27 Jul 1991 | (Everything I do) I do it for you (Bryan Adams) |
(Everything I do) I do it for you (Bryan Adams) |
| 03 Aug 1991 | (Everything I do) I do it for you (Bryan Adams) |
(Everything I do) I do it for you (Partners In Kryme) |
| 10 Aug 1991 | (Everything I do) I do it for you (Bryan Adams) |
(Everything I do) I do it for you (Bryan Adams) |
| 17 Aug 1991 | (Everything I do) I do it for you (Bryan Adams) |
(Everything I do) I do it for you (Bryan Adams) |
| 24 Aug 1991 | (Everything I do) I do it for you (Bryan Adams) |
(Everything I do) I do it for you (Bryan Adams) |
| 31 Aug 1991 | (Everything I do) I do it for you (Bryan Adams) |
(Everything I do) I do it for you (Bryan Adams) |
| 07 Sep 1991 | (Everything I do) I do it for you (Bryan Adams) |
(Everything I do) I do it for you (Bryan Adams) |
| 14 Sep 1991 | The Promise Of A New Day (Paula Abdul) |
(Everything I do) I do it for you (Bryan Adams) |
| 21 Sep 1991 | I Adore Mi Amor (Color Me Badd) |
(Everything I do) I do it for you (Bryan Adams) |
| 28 Sep 1991 | I Adore Mi Amor (Color Me Badd) |
(Everything I do) I do it for you (Bryan Adams) |
| 5 Oct 1991 | Good Vibrations (Marky Mark & The Funky Bunch) |
(Everything I do) I do it for you (Bryan Adams) |
| 12 Oct 1991 | Emotions (Mariah Carey) |
(Everything I do) I do it for you (Bryan Adams) |
| 19 Oct 1991 | Emotions (Mariah Carey) |
(Everything I do) I do it for you (Bryan Adams) |
| 26 Oct 1991 | Emotions (Mariah Carey) |
(Everything I do) I do it for you (Bryan Adams) |
| 02 Nov 1991 | Romantic (Karyn White) |
The Fly (U2) |
| 09 Nov 1991 | Cream (Prince & the New Generation) |
Dizzy (Vic Reeves & the Wonder Stuff) |
| 16 Nov 1991 | Cream (Prince & the New Generation) |
Dizzy (Vic Reeves & the Wonder Stuff) |
| 23 Nov 1991 | When A Man Loves A Woman (Michael Bolton) |
Black Or White (Michael Jackson) |
| 30 Nov 1991 | Set Adfrift On Memory Bliss (P.M. Dawn ) |
Black Or White (Michael Jackson) |
| 07 Dez 1991 | Black Or White (Michael Jackson) |
Don't Let The Sun Go Down On Me (George Michael with Elton John ) |
| 14 Dez 1991 | Black Or White (Michael Jackson) |
Don't Let The Sun Go Down On Me (George Michael with Elton John ) |
| 21 Dez 1991 | Black Or White (Michael Jackson) |
Bohemian Rhapsody/ These Are The Days Of Our Lives (Queen) |
| 28 Dez 1991 | Black Or White (Michael Jackson) |
Bohemian Rhapsody/ These Are The Days Of Our Lives (Queen) |