# List of number-one hits of 1991 (Italy)

This is a list of the number-one hits of 1991 on Italian Hit Parade Singles Chart.
| Issue Date | Song | Artist(s) |
| January 5 | "I've Been Thinking About You" | "Londonbeat" |
| January 12 | "Attenti al Lupo" | "Lucio Dalla" |
| January 19 | "Attenti al Lupo" | "Lucio Dalla" |
| January 26 | "Attenti al Lupo" | "Lucio Dalla" |
| February 2 | "Sadeness (Part I)" | "Enigma" |
| February 9 | "Sadeness (Part I)" | "Enigma" |
| February 16 | "Sadeness (Part I)" | "Enigma" |
| February 23 | "Sadeness (Part I)" | "Enigma" |
| March 2 | "Sadeness (Part I)" | "Enigma" |
| March 9 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| March 16 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| March 23 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| March 30 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| April 6 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| April 13 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| April 20 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| April 27 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| May 4 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| May 11 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| May 18 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| May 25 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| June 1 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| June 8 | "Se Stiamo Insieme" | "Riccardo Cocciante" |
| June 15 | "Let There Be Love" | "Simple Minds" |
| June 22 | "Gypsy Woman (She's Homeless)" | "Crystal Waters" |
| June 29 | "Gypsy Woman (She's Homeless)" | "Crystal Waters" |
| July 6 | "Gypsy Woman (She's Homeless)" | "Crystal Waters" |
| July 13 | "Gypsy Woman (She's Homeless)" | "Crystal Waters" |
| July 20 | "Gypsy Woman (She's Homeless)" | "Crystal Waters" |
| July 27 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| August 3 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| August 10 | "Gypsy Woman (She's Homeless)" | "Crystal Waters" |
| August 17 | "Gypsy Woman (She's Homeless)" | "Crystal Waters" |
| August 24 | "Gypsy Woman (She's Homeless)" | "Crystal Waters" |
| August 31 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| September 7 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| September 14 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| September 21 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| September 28 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| October 5 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| October 12 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| October 19 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| October 26 | "Rapput (Senza Fiato)" | "Claudio Bisio", "Rocco Tanica" |
| November 2 | "The Fly" | "U2" |
| November 9 | "The Fly" | "U2" |
| November 16 | "The Fly" | "U2" |
| November 23 | "Black or White" | "Michael Jackson" |
| November 30 | "Black or White" | "Michael Jackson" |
| December 7 | "Black or White" | "Michael Jackson" |
| December 14 | "Black or White" | "Michael Jackson" |
| December 21 | "Black or White" | "Michael Jackson" |
| December 28 | "Black or White" | "Michael Jackson" |