1978
- Bootsy's Rubber Band (1 week)
- Chic (5 weeks)
- Natalie Cole (2 weeks)
- The Commodores (3 weeks)
- Con Funk Shun (2 weeks)
- Earth, Wind & Fire (1 week)
- Enchantment (1 week)
- Roberta Flack and Donny Hathaway (2 weeks)
- Foxy (2 weeks)
- Funkadelic (6 weeks)
- The Isley Brothers (2 weeks)
- Rick James (2 weeks)
- Quincy Jones (1 week)
- Chaka Khan (3 weeks)
- L.T.D. (2 weeks)
- Johnny Mathis and Deniece Williams (4 weeks)
- The O'Jays (5 weeks)
- Parliament (3 weeks)
- Teddy Pendergrass (2 weeks)
- Stargard (2 weeks)
- A Taste Of Honey (1 week)
Read more about this topic: List Of Artists Who Reached Number One On The Billboard R&B Chart