List of Billboard Hot 100 number-one singles of 2005

The Billboard Hot 100 is a chart that ranks the best-performing singles of the United States. Published by Billboard magazine, the data are compiled by Nielsen SoundScan based collectively on each single's weekly physical and digital sales, and airplay. In 2005, there were eight singles that topped the chart in fifty-three issues of the magazine, the lowest of any year.

List of Billboard Hot 100 number-one singles of 2005

The Billboard Hot 100 is a chart that ranks the best-performing singles of the United States. Published by Billboard magazine, the data are compiled by Nielsen SoundScan based collectively on each single's weekly physical and digital sales, and airplay. In 2005, there were eight singles that topped the chart in fifty-three issues of the magazine, the lowest of any year.