List of Billboard Hot 100 number ones of 1977

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These are the Billboard Hot 100 number-one hits of 1977. In 1977, 18 acts earned their first number-one songs, including 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. Marilyn McCoo and Billy Davis Jr. also earned their first number-one song as solo acts. Leo Sayer, Stevie Wonder and The Eagles were the only artists to reach number one more than once that year, each with two songs. An asterisk (*) by a date indicates an unpublished, "frozen" week due to Billboard's year-end double issues; this practice began in late 1976, and since the 1990s online charts have replaced the frozen weeks.