Billboard number-one singles of 1942

This is a list of number-one songs in the United States during the year 1942 according to The Billboard.

The National Best Selling Retail Records chart was the first to poll retailers nationwide on record sales. The 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 in 1942.

Issue date	Song	Artist(s)	Ref.
January 3	"Chattanooga Choo Choo"	Glenn Miller and His Orchestra
January 10
January 17
January 24
January 31
February 7	"A String of Pearls"
February 14	"Blues in the Night (My Mama Done Tol' Me)"	Woody Herman and His Orchestra
February 21	"A String of Pearls"	Glenn Miller and His Orchestra
February 28	"Moonlight Cocktail"
March 7
March 14
March 21
March 28
April 4
April 11
April 18
April 25
May 2
May 9	"Tangerine"	Jimmy Dorsey and His Orchestra
May 16
May 23
May 30
June 6
June 13
June 20	"Sleepy Lagoon"	Harry James and His Orchestra
June 27
July 4
July 11
July 18	"Jingle Jangle Jingle"	Kay Kyser and His Orchestra
July 25
August 1
August 8
August 15
August 22
August 29
September 5
September 12	"(I've Got a Gal in) Kalamazoo"	Glenn Miller and His Orchestra
September 19
September 26
October 3
October 10
October 17
October 24
October 31	"White Christmas"	Bing Crosby
November 7
November 14
November 21
November 28
December 5
December 12
December 19
December 26