List of number-one hits of 2004 (Italy)

The following is a list of songs that reached number one on the Italian singles chart in 2004, as compiled by Federazione Industria Musicale Italiana (FIMI). The chart ranks songs based on sales and streaming data.

• Gennaio: "Shut Up" - The Black Eyed Peas
• Febbraio: "Shut Up" - The Black Eyed Peas
• Marzo: "U Got 2 Let the Music" - DJ Lhasa
• Aprile: "U Got 2 Let the Music" - DJ Lhasa
• Maggio: "Vertigine" - Paola & Chiara
• Giugno: "Obsesión" - Aventura
• Luglio: "Obsesión" - Aventura
• Agosto: "Obsesión" - Aventura
• Settembre: "Obsesión" - Aventura
• Ottobre: "Dragostea Din Tei" - O-Zone
• Novembre: "Dragostea Din Tei" - O-Zone
• Dicembre: "Lose My Breath" - Destiny's Child

This list represents the official number-one singles in Italy for the year 2004, reflecting the musical tastes and purchasing habits of the Italian public during that period.