1977

The following is a list of the number-one singles (main sides only) in the U.S. in 1977, based on a comparison between its three main charts at the time, from Billboard, Cash Box and Record World magazines.
Issue date 	Song 	Artist(s)
January 1 	"You Don't Have to Be a Star (To Be in My Show)"	Marilyn McCoo and Billy Davis, Jr.
January 8 	"You Don't Have to Be a Star (To Be in My Show)"	Marilyn McCoo and Billy Davis, Jr.
January 15 	"Car Wash" 	Rose Royce
January 22 	"I Wish" 	Stevie Wonder
January 29 	"I Wish" 	Stevie Wonder
February 5 	"Torn Between Two Lovers" 	Mary MacGregor
February 12 	"Torn Between Two Lovers" 	Mary MacGregor
February 19 	"Torn Between Two Lovers" 	Mary MacGregor
February 26 	"New Kid in Town" 	Eagles
March 5 	"Evergreen (Love Theme from A Star Is Born)" 	Barbra Streisand
March 12 	"Evergreen (Love Theme from A Star Is Born)" 	Barbra Streisand
March 19 	"Evergreen (Love Theme from A Star Is Born)" 	Barbra Streisand
March 26 	"Rich Girl" 	Daryl Hall & John Oates
April 2 	"Rich Girl" 	Daryl Hall & John Oates
April 9 	"Rich Girl" 	Daryl Hall & John Oates
April 16 	"Don't Give Up on Us" 	David Soul
April 23 	"Hotel California" 	Eagles
April 30 	"Southern Nights" 	Glen Campbell
May 7 	"When I Need You" 	Leo Sayer
May 14 	"When I Need You" 	Leo Sayer
May 21 	"When I Need You" 	Leo Sayer
May 28 	"Sir Duke" 	Stevie Wonder
June 4 	"Sir Duke" 	Stevie Wonder
June 11 	"I'm Your Boogie Man" 	KC & The Sunshine Band
June 18 	"Got to Give It Up, Part I" 	Marvin Gaye
June 25 	"Got to Give It Up, Part I" 	Marvin Gaye
July 2 	"Undercover Angel" 	Alan O'Day
July 9 	"Da Doo Ron Ron" 	Shaun Cassidy
July 16 	"Da Doo Ron Ron" 	Shaun Cassidy
July 23 	"Looks Like We Made It" 	Barry Manilow
July 30 	"I Just Want to Be Your Everything" 	Andy Gibb
August 6 	"I Just Want to Be Your Everything" 	Andy Gibb
August 13 	"I Just Want to Be Your Everything" 	Andy Gibb
August 20 	"Best of My Love" 	The Emotions
August 27 	"Best of My Love" 	The Emotions
September 3 	"Best of My Love" 	The Emotions
September 10	"(Your Love Has Lifted Me) Higher and Higher" 	Rita Coolidge
September 17	"Don't Stop" 	Fleetwood Mac
September 24	"Don't Stop" 	Fleetwood Mac
October 1 	"Star Wars Theme/Cantina Band" 	Meco
October 8 	"Star Wars Theme/Cantina Band" 	Meco
October 15 	"You Light Up My Life" 	Debby Boone
October 22 	"You Light Up My Life" 	Debby Boone
October 29 	"You Light Up My Life" 	Debby Boone
November 5 	"You Light Up My Life" 	Debby Boone
November 12 	"You Light Up My Life" 	Debby Boone
November 19 	"You Light Up My Life" 	Debby Boone
November 26 	"You Light Up My Life" 	Debby Boone
December 3 	"You Light Up My Life" 	Debby Boone
December 10 	"You Light Up My Life" 	Debby Boone
December 17 	"You Light Up My Life" 	Debby Boone
December 24 	"How Deep Is Your Love" 	Bee Gees
December 31 	"How Deep Is Your Love" 	Bee Gees