Nummer 1-hits in de UK Singles Chart in 1991
Deze hits stonden in 1991 op nummer 1 in de UK Singles Chart:
| Datum | Artiest | Titel |
| 5 januari | Iron Maiden | Bring your daughter ... to the slaughter |
| 12 januari | Iron Maiden | Bring your daughter ... to the slaughter |
| 19 januari | Enigma | Sadness part 1 |
| 26 januari | Queen | Innuendo |
| 2 februari | The KLF & Children Of The Revolution | 3:a.m. eternal |
| 9 februari | The KLF & Children Of The Revolution | 3:a.m. eternal |
| 16 februari | The Simpsons | Do the Bartman |
| 23 februari | The Simpsons | Do the Bartman |
| 2 maart | The Simpsons | Do the Bartman |
| 9 maart | The Clash | Should I stay or should I go |
| 16 maart | The Clash | Should I stay or should I go |
| 23 maart | Hale & Pace & the Stonkers | The stonk |
| 30 maart | Chesney Hawkes | The one and only |
| 6 april | Chesney Hawkes | The one and only |
| 13 april | Chesney Hawkes | The one and only |
| 20 april | Chesney Hawkes | The one and only |
| 27 april | Chesney Hawkes | The one and only |
| 4 mei | Cher | The shoop shoop song (It's in his kiss) |
| 11 mei | Cher | The shoop shoop song (It's in his kiss) |
| 18 mei | Cher | The shoop shoop song (It's in his kiss) |
| 25 mei | Cher | The shoop shoop song (It's in his kiss) |
| 1 juni | Cher | The shoop shoop song (It's in his kiss) |
| 8 juni | Color Me Badd | I wanna sex you up |
| 15 juni | Color Me Badd | I wanna sex you up |
| 22 juni | Color Me Badd | I wanna sex you up |
| 29 juni | Jason Donovan | Any dream will do |
| 6 juli | Jason Donovan | Any dream will do |
| 13 juli | Bryan Adams | (Everything I do) I do it for you |
| 20 juli | Bryan Adams | (Everything I do) I do it for you |
| 27 juli | Bryan Adams | (Everything I do) I do it for you |
| 3 augustus | Bryan Adams | (Everything I do) I do it for you |
| 10 augustus | Bryan Adams | (Everything I do) I do it for you |
| 17 augustus | Bryan Adams | (Everything I do) I do it for you |
| 24 augustus | Bryan Adams | (Everything I do) I do it for you |
| 31 augustus | Bryan Adams | (Everything I do) I do it for you |
| 7 september | Bryan Adams | (Everything I do) I do it for you |
| 14 september | Bryan Adams | (Everything I do) I do it for you |
| 21 september | Bryan Adams | (Everything I do) I do it for you |
| 28 september | Bryan Adams | (Everything I do) I do it for you |
| 5 oktober | Bryan Adams | (Everything I do) I do it for you |
| 12 oktober | Bryan Adams | (Everything I do) I do it for you |
| 19 oktober | Bryan Adams | (Everything I do) I do it for you |
| 26 oktober | Bryan Adams | (Everything I do) I do it for you |
| 2 november | U2 | The fly |
| 9 november | Vic Reeves & The Wonder Stuff | Dizzy |
| 16 november | Vic Reeves & The Wonder Stuff | Dizzy |
| 23 november | Michael Jackson | Black or white |
| 30 november | Michael Jackson | Black or white |
| 7 december | George Michael & Elton John | Don't let the sun go down on me |
| 14 december | George Michael & Elton John | Don't let the sun go down on me |
| 21 december | Queen | Bohemian rhapsody / These are the days of our lives |
| 28 december | Queen | Bohemian rhapsody / These are the days of our lives |
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Lijst van nummer 1-hits in het Verenigd Koninkrijk |
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