List of number-one singles of 2005 (France)

This is a list of the songs that reached number one on the French Singles Chart in 2005. The French Singles Chart is compiled by the Syndicat National de l'Édition Phonographique (SNEP). The chart ranks the best-selling singles in France, based on a combination of physical and digital sales. The number-one spot changes weekly, and this list documents each song that achieved this top position throughout the year 2005. The listing includes the artist(s), the song title, and the date the song reached number one.