These are the Billboard adult contemporary chart number-one hits of 1977. The chart was known as Easy Listening during this year.
| Issue Date | Song | Artist |
|---|---|---|
| January 1 | "Torn Between Two Lovers" | Mary MacGregor |
| January 8 | "Weekend in New England" | Barry Manilow |
| January 15 | "Evergreen (Love Theme from A Star Is Born)" | Barbra Streisand |
| January 22 | ||
| January 29 | ||
| February 5 | ||
| February 12 | ||
| February 19 | ||
| February 26 | "Southern Nights" | Glen Campbell |
| March 5 | ||
| March 12 | "Sam" | Olivia Newton-John |
| March 19 | ||
| March 26 | "Southern Nights" | Glen Campbell |
| April 2 | ||
| April 9 | "Don't Give Up on Us" | David Soul |
| April 16 | "Right Time of the Night" | Jennifer Warnes |
| April 23 | "When I Need You" | Leo Sayer |
| April 30 | "Hello Stranger" | Yvonne Elliman |
| May 7 | ||
| May 14 | ||
| May 21 | ||
| May 28 | "Margaritaville" | Jimmy Buffett |
| June 4 | "Looks Like We Made It" | Barry Manilow |
| June 11 | ||
| June 18 | ||
| June 25 | "It's Sad to Belong" | England Dan & John Ford Coley |
| July 2 | ||
| July 9 | ||
| July 16 | ||
| July 23 | ||
| July 30 | "My Heart Belongs to Me" | Barbra Streisand |
| August 6 | ||
| August 13 | ||
| August 20 | ||
| August 27 | "Sunflower" | Glen Campbell |
| September 3 | "Handy Man" | James Taylor |
| September 10 | "Nobody Does It Better" | Carly Simon |
| September 17 | ||
| September 24 | ||
| October 1 | ||
| October 8 | ||
| October 15 | ||
| October 22 | ||
| October 29 | "Just Remember I Love You" | Firefall |
| November 5 | ||
| November 12 | "We're All Alone" | Rita Coolidge |
| November 19 | "You Light Up My Life" | Debby Boone |
| November 26 | "How Deep Is Your Love" | Bee Gees |
| December 3 | ||
| December 10 | ||
| December 17 | ||
| December 24 | ||
| December 31 |
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