These are the songs that reached number one on the Top 40 Best Sellers chart in 1950 as published by Cash Box magazine. Artists were not specified in the charts of this time period so songs may represent more than one version. The artist who most popularized each song is listed.
Issue date Song ArtistJanuary 7"I Can Dream, Can't I?"The Andrews SistersJanuary 14January 21January 28February 4February 11February 18"Dear Hearts and Gentle People"Bing CrosbyFebruary 25"Chattanoogie Shoe Shine Boy"Red FoleyMarch 4March 11March 18March 25"Music! Music! Music!"Teresa BrewerApril 1April 8April 15April 22"The Third Man Theme"Anton KarasApril 29May 6May 13May 20May 27June 3June 10June 17June 24July 1July 8"Bewitched, Bothered and Bewildered"Vivienne SegalJuly 15July 22July 29August 5"Mona Lisa"Nat King ColeAugust 12August 19August 26September 2"Goodnight, Irene"Gordon Jenkins and The WeaversSeptember 9September 16September 23September 30October 7October 14October 21October 28November 4November 11"Harbor Lights"Sammy KayeNovember 18November 25December 2December 9December 16"The Thing"Phil HarrisDecember 23"Harbor Lights"Sammy KayeDecember 30"Tennessee Waltz"Patti Page
See also 1950 in music List of number-one singles of 1950 (U.S.)
References https://web.archive.org/web/20110516091023/http://cashboxmagazine.com/archives/50s_files/1950.html