List of Billboard Hot 100 number ones of 1977

These are the Billboard Hot 100 number-one hits of 1977. That year, 18 acts earned their first number one songs, such as Leo Sayer, Rose Royce, Mary MacGregor, Manfred Mann's Earth Band, Daryl Hall and John Oates, ABBA, David Soul, Thelma Houston, Fleetwood Mac, Bill Conti, Alan O'Day, Shaun Cassidy, Andy Gibb, The Emotions, Meco, and Debby Boone.