List of Cash Box Best Sellers number-one singles of 1956
# List of Cash Box Best Sellers number-one singles of 1956

These are the songs that reached number one on the Top 50 Best Sellers chart in 1956 as published by Cash Box magazine.

| Issue date | Song | Artist |
| - | - | - |
| January 7 | "Sixteen Tons" | Tennessee Ernie Ford |
| January 14 | "Memories Are Made of This" | Dean Martin |
| January 21 | "Memories Are Made of This" | Dean Martin |
| January 28 | "Memories Are Made of This" | Dean Martin |
| February 4 | "The Great Pretender" | The Platters |
| February 11 | "The Great Pretender" | The Platters |
| February 18 | "The Great Pretender" | The Platters |
| February 25 | "Rock and Roll Waltz" | Kay Starr |
| March 3 | "Rock and Roll Waltz" | Kay Starr |
| March 10 | "Lisbon Antigua" | Nelson Riddle & Orchestra |
| March 17 | "Lisbon Antigua" | Nelson Riddle & Orchestra |
| March 24 | "The Poor People of Paris" | Les Baxter & Orchestra |
| March 31 | "The Poor People of Paris" | Les Baxter & Orchestra |
| April 7 | "The Poor People of Paris" | Les Baxter & Orchestra |
| April 14 | "The Poor People of Paris" | Les Baxter & Orchestra |
| April 21 | "Heartbreak Hotel" | Elvis Presley |
| April 28 | "Heartbreak Hotel" | Elvis Presley |
| May 5 | "Heartbreak Hotel" | Elvis Presley |
| May 12 | "Heartbreak Hotel" | Elvis Presley |
| May 19 | "Heartbreak Hotel" | Elvis Presley |
| May 26 | "Heartbreak Hotel" | Elvis Presley |
| June 2 | "Moonglow and Theme from 'Picnic'" | Morris Stoloff & Columbia Pictures Orchestra, George Cates & Orchestra |
| June 9 | "Moonglow and Theme from 'Picnic'" | Morris Stoloff & Columbia Pictures Orchestra, George Cates & Orchestra |
| June 16 | "The Wayward Wind" | Gogi Grant |
| June 23 | "The Wayward Wind" | Gogi Grant |
| June 30 | "The Wayward Wind" | Gogi Grant |
| July 7 | "The Wayward Wind" | Gogi Grant |
| July 14 | "I Almost Lost My Mind" | Pat Boone |
| July 21 | "The Wayward Wind" | Gogi Grant |
| July 28 | "I Almost Lost My Mind" | Pat Boone |
| August 4 | "My Prayer" | The Platters |
| August 11 | "My Prayer" | The Platters |
| August 18 | "Hound Dog" | Elvis Presley |
| August 25 | "Hound Dog" | Elvis Presley |
| September 1 | "Hound Dog" | Elvis Presley |
| September 8 | "Hound Dog" | Elvis Presley |
| September 15 | "Don't Be Cruel" | Elvis Presley |
| September 22 | "Don't Be Cruel" | Elvis Presley |
| September 29 | "Don't Be Cruel" | Elvis Presley |
| October 6 | "Don't Be Cruel" | Elvis Presley |
| October 13 | "Don't Be Cruel" | Elvis Presley |
| October 20 | "Don't Be Cruel" | Elvis Presley |
| October 27 | "Love Me Tender" | Elvis Presley |
| November 3 | "Love Me Tender" | Elvis Presley |
| November 10 | "Love Me Tender" | Elvis Presley |
| November 17 | "Love Me Tender" | Elvis Presley |
| November 24 | "Love Me Tender" | Elvis Presley |
| December 1 | "Singing the Blues" | Guy Mitchell |
| December 8 | "Singing the Blues" | Guy Mitchell |
| December 15 | "Singing the Blues" | Guy Mitchell |
| December 22 | "Singing the Blues" | Guy Mitchell |
| December 29 | "Singing the Blues" | Guy Mitchell |
