# List of Billboard number-one singles of 1943

This is a list of number-one songs in the United States during the year 1943 according to The Billboard.
The "National Best Selling Retail Records" chart was the first to poll retailers nationwide on record sales.
The new chart was billed as a "trade service feature," based on the "10 best selling records of the past week" at a selection of national retailers from New York to Los Angeles.
Shown is a list of songs that topped the National Best Selling Retail Records chart.
| Issue date | Song | Artist(s) |
| January 2 | "White Christmas" | Bing Crosby with the Ken Darby Singers and John Scott Trotter and His Orchestra |
| January 9 | "White Christmas" | Bing Crosby with the Ken Darby Singers and John Scott Trotter and His Orchestra |
| January 16 | "There Are Such Things" | Tommy Dorsey and His Orchestra with Frank Sinatra and the Pied Pipers |
| January 23 | "There Are Such Things" | Tommy Dorsey and His Orchestra with Frank Sinatra and the Pied Pipers |
| January 30 | "There Are Such Things" | Tommy Dorsey and His Orchestra with Frank Sinatra and the Pied Pipers |
| February 6 | "There Are Such Things" | Tommy Dorsey and His Orchestra with Frank Sinatra and the Pied Pipers |
| February 13 | "I Had the Craziest Dream" | Harry James and His Orchestra with Helen Forrest |
| February 20 | "I Had the Craziest Dream" | Harry James and His Orchestra with Helen Forrest |
| February 27 | "There Are Such Things" | Tommy Dorsey and His Orchestra with Frank Sinatra and the Pied Pipers |
| March 6 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| March 13 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| March 20 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| March 27 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| April 3 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| April 10 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| April 17 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| April 24 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| May 1 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| May 8 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| May 15 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| May 22 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| May 29 | "That Old Black Magic" | Glenn Miller and His Orchestra with Skip Nelson and the Modernaires |
| June 5 | "I've Heard That Song Before" | Harry James and His Orchestra with Helen Forrest |
| June 12 | "Taking a Chance on Love" | Benny Goodman and His Orchestra with Helen Forrest |
| June 19 | "Taking a Chance on Love" | Benny Goodman and His Orchestra with Helen Forrest |
| June 26 | "Taking a Chance on Love" | Benny Goodman and His Orchestra with Helen Forrest |
| July 3 | "Comin' In on a Wing and a Prayer" | The Song Spinners |
| July 10 | "Comin' In on a Wing and a Prayer" | The Song Spinners |
| July 17 | "Comin' In on a Wing and a Prayer" | The Song Spinners |
| July 24 | "You'll Never Know" | Dick Haymes and the Song Spinners |
| July 31 | "You'll Never Know" | Dick Haymes and the Song Spinners |
| August 7 | "You'll Never Know" | Dick Haymes and the Song Spinners |
| August 14 | "You'll Never Know" | Dick Haymes and the Song Spinners |
| August 21 | "In the Blue of Evening" | Tommy Dorsey and His Orchestra with Frank Sinatra |
| August 28 | "In the Blue of Evening" | Tommy Dorsey and His Orchestra with Frank Sinatra |
| September 4 | "In the Blue of Evening" | Tommy Dorsey and His Orchestra with Frank Sinatra |
| September 11 | "Sunday, Monday or Always" | Bing Crosby and the Ken Darby Singers |
| September 18 | "Sunday, Monday or Always" | Bing Crosby and the Ken Darby Singers |
| September 25 | "Sunday, Monday or Always" | Bing Crosby and the Ken Darby Singers |
| October 2 | "Sunday, Monday or Always" | Bing Crosby and the Ken Darby Singers |
| October 9 | "Sunday, Monday or Always" | Bing Crosby and the Ken Darby Singers |
| October 16 | "Sunday, Monday or Always" | Bing Crosby and the Ken Darby Singers |
| October 23 | "Sunday, Monday or Always" | Bing Crosby and the Ken Darby Singers |
| October 30 | "Pistol Packin' Mama" | Al Dexter and His Troopers with Al Dexter |
| November 6 | "Paper Doll" | The Mills Brothers |
| November 13 | "Paper Doll" | The Mills Brothers |
| November 20 | "Paper Doll" | The Mills Brothers |
| November 27 | "Paper Doll" | The Mills Brothers |
| December 4 | "Paper Doll" | The Mills Brothers |
| December 11 | "Paper Doll" | The Mills Brothers |
| December 18 | "Paper Doll" | The Mills Brothers |
| December 25 | "Paper Doll" | The Mills Brothers |