List of Billboard Hot 100 number ones of 2003

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

Those acts were B2K, LL Cool J, 50 Cent, Sean Paul, Nate Dogg, Clay Aiken, Murphy Lee, Ludacris, and Shawnna.

continued its pole position until early 2004, Billboard magazine credited it as one of the longest-running number-one singles of 2003.

[1][2] Rapper Eminem's "Lose Yourself" continued its 12-week chart run at the top spot in this year, but is credited as the longest-running number-one single of 2002.

[3] She surpassed the record previously set by 50 Cent during this year, the latter of whom gained a total of 13 weeks at number one combining "In the Club", which is the best-performing single of 2003, and "21 Questions".

A young black man, seated, wearing a black shirt and a gray baseball cap. He is smiling and speaking into a microphone.
Rapper 50 Cent 's " In da Club " was one of the longest-running singles of 2003, topping the chart for nine straight weeks. It was also the best-performing single of 2003 .
A black female singer with long, dark hair, singing on stage into a microphone in her right hand, wearing a silver, full-length dress.
Singer Beyoncé topped the chart two times in 2003 with her singles " Crazy in Love " and " Baby Boy ".
Two members of a musical group, on-stage. The nearest is wearing blue trousers and a gray jacket, while the farthest is wearing shorts, a short-sleeved shirt and a hat.
Hip hop duo OutKast 's " Hey Ya! " topped the chart for nine consecutive weeks.
A young black man in a black T-shirt, white jacket and black trousers, receiving an award standing in front of a microphone.
With the combined chart run of " Get Busy " and "Baby Boy", the latter in which he is featured, dancehall artist Sean Paul became the most successful Jamaican -born artist in terms of chart performance in the Hot 100.
A young white man in a gray pullover with a blue shirt and gray tie, holding a microphone and microphone stand in his left hand, facing upwards.
American Idol contestant Clay Aiken 's debut single " This Is the Night " debuted at number one on the Billboard Hot 100, becoming the first single to do so since 1998.