This lists songs that hit number one on the charts in the US during 1955. If a song spent nonconsecutive weeks at number one, the number of weeks for each occurrence at the top is shown in parenthesis.
| Date | Artist - Title | Weeks at #1 |
| November 28 1954 – January 15 1955 | Chordettes - Mister Sandman | 7 |
| January 16 – 29 1955 | Joan Weber - Let Me Go Lover | 2 |
| January 30 – February 5 1955 | Fontane Sisters - Hearts Of Stone | 1 |
| February 6 – March 19 1955 | McGuire Sisters - Sincerely | 6 |
| March 20 – April 23 1955 | Bill Hayes - The Ballad of Davy Crockett | 5 |
| April 24 – July 2 1955 | Perez Prado - Cherry Pink and Apple Blossom White | 10 |
| July 3 – August 27 1955 | Bill Haley and His Comets - Rock Around The Clock | 8 |
| August 28 – October 1 1955 | Mitch Miller - The Yellow Rose of Texas | 6 (5) |
| October 2 – 8 1955 | Four Aces - Love Is A Many Splendered Thing | 2 (1) |
| October 9 – 15 1955 | Mitch Miller - The Yellow Rose of Texas | 6 (1) |
| October 16 – 22 1955 | Four Aces - Love Is A Many Splendered Thing | 2 (1) |
| October 23 – November 19 1955 | Roger Williams - Autumn Leaves | 4 |
| November 20 1955 – January 7 1956 | Tennessee Ernie Ford - Sixteen Tons | 7 |
11 different songs hit number one in the US during 1955.
Top 5 Songs of 1955
1: Perez Prado - Cherry Pink And Apple Blossom White
2: Bill Haley and His Comets - Rock Around The Clock
3: Mitch Miller - The Yellow Rose Of Texas
4: Roger Williams - Autumn Leaves
5: Les Baxter - Unchained Melody
2: Bill Haley and His Comets - Rock Around The Clock
3: Mitch Miller - The Yellow Rose Of Texas
4: Roger Williams - Autumn Leaves
5: Les Baxter - Unchained Melody