List of Billboard Hot 100 number ones of 2001

Published by Billboard magazine, the data are compiled by Nielsen SoundScan based collectively on each single's weekly physical sales, and airplay.

Although 15 singles claimed the top position throughout the year, group Destiny's Child's "Independent Women Part I" is credited in 2000, and is thus excluded.

[citation needed] During the year, 12 acts had achieved a first U.S. number-one single, namely: Shaggy, Ricardo "RikRok" Ducent, OutKast, Mystikal, Crazy Town, Rayvon, Lil' Kim, Mýa, Pink, Alicia Keys, Ja Rule, Mary J. Blige, and Nickelback.

Janet Jackson's "All for You" is the longest-running single of the year, staying at number one for seven consecutive weeks.

[2] Other singles that had a multiple chart run includes Alicia Keys' "Fallin'" and Mary J. Blige's "Family Affair"; both stayed atop for six weeks.

Canadian rock band Nickelback earned their first and only number one single with " How You Remind Me ". It went on to be the best-charting song of 2002.
Janet Jackson 's " All for You " was the longest-running single of 2001, topping the Hot 100 for seven consecutive weeks.
Pop singer Christina Aguilera gained her fourth number one single in the U.S. with a cover version of " Lady Marmalade ", and stayed at the top with her collaborators Mýa , Pink , and Lil' Kim for five consecutive weeks.
R&B singer Alicia Keys earned her first number one Single " Fallin' " in U.S. and stayed at the top for six nonconsecutive weeks.
R&B singer Mary J. Blige gained her first number one single " Family Affair " in U.S. and stayed at the top for six consecutive weeks.
Jamaican reggae singer Shaggy earned his first and second number one singles " It Wasn't Me " and " Angel " in U.S. and stayed at the top for two consecutive weeks and one week respectively.