These are the Billboard magazine R&B albums that reached number-one in 1970.
Chart history edit
| Issue date | Album | Artist |
|---|---|---|
| January 3 | Puzzle People | The Temptations |
| January 10 | ||
| January 17 | ||
| January 24 | ||
| January 31 | ||
| February 7 | ||
| February 14 | Diana Ross Presents The Jackson 5 | The Jackson 5 |
| February 21 | ||
| February 28 | ||
| March 7 | ||
| March 14 | ||
| March 21 | ||
| March 28 | ||
| April 4 | ||
| April 11 | ||
| April 18 | Psychedelic Shack | The Temptations |
| April 25 | ||
| May 2 | ||
| May 9 | ||
| May 16 | The Isaac Hayes Movement | Isaac Hayes |
| May 23 | ||
| May 30 | ||
| June 6 | ||
| June 13 | ||
| June 20 | ABC | The Jackson 5 |
| June 27 | ||
| July 4 | ||
| July 11 | ||
| July 18 | ||
| July 25 | ||
| August 1 | ||
| August 8 | The Isaac Hayes Movement | Isaac Hayes |
| August 15 | ||
| August 22 | ABC | The Jackson 5 |
| August 29 | ||
| September 5 | ||
| September 12 | ||
| September 19 | ||
| September 26 | Diana Ross | Diana Ross |
| October 3 | ||
| October 10 | Third Album | The Jackson 5 |
| October 17 | ||
| October 24 | ||
| October 31 | ||
| November 7 | ||
| November 14 | ||
| November 21 | ||
| November 28 | ||
| December 5 | ||
| December 12 | ||
| December 19 | Greatest Hits | Sly and the Family Stone |
| December 26 | ...To Be Continued | Isaac Hayes |