List of Billboard Best Selling Pop Albums number ones of 1951
These are the Billboard Magazine number one albums of 1951, per the Billboard 200.
| Issue Date | Album | Artist(s) |
|---|---|---|
| January 6 | Merry Christmas | Bing Crosby |
| January 13 | South Pacific | Original Cast |
| January 20 | ||
| January 27 | ||
| February 3 | ||
| February 10 | ||
| February 17 | ||
| February 24 | ||
| March 3 | ||
| March 10 | ||
| March 17 | Guys and Dolls | Original Cast |
| March 24 | South Pacific | Original Cast |
| March 31 | ||
| April 7 | ||
| April 14 | ||
| April 21 | ||
| April 28 | Voice of the Xtabay | Yma Sumac |
| May 5 | ||
| May 12 | ||
| May 19 | ||
| May 26 | ||
| June 2 | ||
| June 9 | Mario Lanza Sings Selections from the Great Caruso | Mario Lanza |
| June 16 | ||
| June 23 | ||
| June 30 | ||
| July 7 | ||
| July 14 | ||
| July 21 | ||
| July 28 | ||
| August 4 | ||
| August 11 | ||
| August 18 | Show Boat | Soundtrack |
| August 25 | ||
| September 1 | ||
| September 8 | ||
| September 15 | ||
| September 22 | ||
| September 29 | ||
| October 6 | ||
| October 13 | ||
| October 20 | ||
| October 27 | ||
| November 3 | ||
| November 10 | ||
| November 17 | ||
| November 24 | ||
| December 1 | ||
| December 8 | ||
| December 15 | ||
| December 22 | Mario Lanza Sings Christmas Songs | Mario Lanza |
| December 29 |