List of Hot 100 number-one singles of 2006 (U.S.)

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 2006, 18 singles reached the top of the chart, the most number-ones in a chart year since 1991. A 19th single, Mariah Carey's "Don't Forget About Us", started its run at number one in 2005.

In 2006, 19 acts achieved their first U.S. number-one single, either as a lead artist or featured guest, including Akon, Ali & Gipp, Chamillionaire, D4L, Daniel Powter, Fergie, James Blunt, Justin Timberlake, Krayzie Bone, Ne-Yo, Nelly Furtado, Paul Wall, Rihanna, Shakira, Slim Thug, Taylor Hicks, T.I., Timbaland and Wyclef Jean. Pop singer Justin Timberlake and R&B singer Beyoncé Knowles each had two number-one singles in this year. During the year, eight collaboration singles topped the chart, breaking the record set in 2003 and 2004, both of which had seven.

...
Wikipedia