This lists songs that hit number one on the charts in the UK during 1956. If a song spent nonconsecutive weeks at number one, the number of weeks for each occurrence at the top is shown in parenthesis.
In the early years of the UK chart, occasionally two songs were at number one simultaneously. This will be indicated with two asterisks.
| Date | Artist - Title | Weeks at #1 |
| January 1 – 14 1956 | Bill Haley and His Comets - Rock Around The Clock | 5 (2) |
| January 15 – February 11 1956 | Tennessee Ernie Ford - Sixteen Tons | 4 |
| February 12 – March 10 1956 | Dean Martin - Memories Are Made Of This | 4 |
| March 11 – 24 1956 | Dream Weavers - It's Almost Tomorrow | 3 (2) |
| March 25 – 31 1956 | Kay Starr - Rock And Roll Waltz | 1 |
| April 1 – 7 1956 | Dream Weavers - It's Almost Tomorrow | 3 (1) |
| April 8 – 28 1956 | Winifred Atwell - Poor People Of Paris | 3 |
| April 29 – June 9 1956 | Ronnie Hilton - No Other Love | 6 |
| June 10 – July 14 1956 | Pat Boone - I'll Be Home | 5 |
| July 15 – August 4 1956 | Frankie Lymon And The Teenagers - Why Do Fools Fall in Love | 3 |
| August 5 – September 15 1956 | Doris Day - Whatever Will Be Will Be (Que Sera, Sera) | 6 |
| September 16 – October 13 1956 | Anne Shelton - Lay Down Your Arms | 4 |
| October 14 – November 10 1956 | Frankie Laine - A Woman In Love | 4 |
| November 11 – December 29 1956 | Johnnie Ray - Just Walking In The Rain | 7 |
| December 30 1956 – January 5 1957 | Guy Mitchell - Singing The Blues | 3 (1) |
14 different songs hit number one in the UK during 1956.