This is a list of the number-one hits of 1990 on Italian Hit Parade Singles Chart.[1]
| Issue Date | Song | Artist(s) | |
|---|---|---|---|
| January 6 | "Lambada" | "Kaoma" | |
| January 13 | |||
| January 20 | |||
| January 27 | |||
| February 3 | |||
| February 10 | "Un' Estate Italiana" | "Edoardo Bennato", "Gianna Nannini" | |
| February 17 | |||
| February 24 | |||
| March 3 | |||
| March 10 | "Nothing Compares 2 U" | "Sinéad O'Connor" | |
| March 17 | "Vattene Amore" | "Amedeo Minghi", "Mietta" | |
| March 24 | |||
| March 31 | |||
| April 7 | |||
| April 14 | |||
| April 21 | |||
| April 28 | |||
| May 5 | |||
| May 12 | "Vogue" | "Madonna" | |
| May 19 | |||
| May 26 | "Vattene Amore" | "Amedeo Minghi", "Mietta" | |
| June 2 | |||
| June 9 | "Un' Estate Italiana" | "Edoardo Bennato", "Gianna Nannini" | |
| June 16 | |||
| June 23 | |||
| June 30 | |||
| July 7 | |||
| July 14 | |||
| July 21 | |||
| July 28 | |||
| August 4 | |||
| August 11 | |||
| August 18 | |||
| August 25 | |||
| September 1 | "Sotto Questo Sole" | "Francesco Baccini", "Ladri di Biciclette" | |
| September 8 | |||
| September 15 | |||
| September 22 | |||
| September 29 | |||
| October 6 | |||
| October 13 | |||
| October 20 | "Scandalo" | "Gianna Nannini" | |
| October 27 | |||
| November 3 | "I'm Your Baby Tonight" | "Whitney Houston" | |
| November 10 | |||
| November 17 | |||
| November 24 | |||
| December 1 | |||
| December 8 | "I've Been Thinking About You" | "Londonbeat" | |
| December 15 | |||
| December 22 | |||
| December 29 | "Attenti Al Lupo" | "Lucio Dalla" |