These are the Billboard magazine R&B albums that reached number-one in 1978.
Chart history
| Issue date | Album | Artist |
|---|---|---|
| January 7 | All 'N All | Earth, Wind and Fire |
| January 14 | ||
| January 21 | ||
| January 28 | ||
| February 4 | ||
| February 11 | ||
| February 18 | Saturday Night Fever | Soundtrack / Bee Gees |
| February 25 | ||
| March 4 | ||
| March 11 | ||
| March 18 | ||
| March 25 | Bootsy? Player of the Year | Bootsy's Rubber Band |
| April 1 | ||
| April 8 | ||
| April 15 | Street Player | Rufus featuring Chaka Khan |
| April 22 | Bootsy? Player of the Year | Bootsy's Rubber Band |
| April 29 | Weekend in L.A. | George Benson |
| May 6 | ||
| May 13 | Showdown | The Isley Brothers |
| May 20 | ||
| May 27 | ||
| June 3 | So Full Of Love | The O'Jays |
| June 10 | ||
| June 17 | ||
| June 24 | Natural High | The Commodores |
| July 1 | ||
| July 8 | ||
| July 15 | ||
| July 22 | ||
| July 29 | ||
| August 5 | ||
| August 12 | Life Is a Song Worth Singing | Teddy Pendergrass |
| August 19 | ||
| August 26 | Natural High | The Commodores |
| September 2 | Blam! | The Brothers Johnson |
| September 9 | ||
| September 16 | ||
| September 23 | ||
| September 30 | ||
| October 7 | ||
| October 14 | ||
| October 21 | Is It Still Good to Ya | Ashford & Simpson |
| October 28 | One Nation Under a Groove | Funkadelic |
| November 4 | ||
| November 11 | ||
| November 18 | ||
| November 25 | The Man | Barry White |
| December 2 | ||
| December 9 | ||
| December 16 | C'est Chic | Chic |
| December 23 | ||
| December 30 |
See also
| Lists of Billboard number-one R&B/hip-hop albums | |
|---|---|
| 1965–1979 | |
| 1980–1999 | |
| 2000–2019 | |
| 2020–present | |