Grammy Awards per l'anno 1977

Il 20° Grammy Awards fu tenuto il 23 Febbraio 1978. I riconoscimenti riguardavano le realizzazioni dei musicisti per l'anno precedente.

Record of the Year
- Bill Szymczyk (producer) & The Eagles for "Hotel California"
Album of the Year
- Ken Caillat, Richard Dashut (producers) & Fleetwood Mac (producers and artist) for Rumors
Song of the Year
- Barbra Streisand & Paul Williams (songwriters) for "Love Theme From A Star Is Born (Evergreen)" performed by Barbra Streisand
- Joe Brooks (songwriter) for "You Light Up My Life" performed by Debby Boone
Best New Artist
- Debby Boone

Children's

Best Recording for Children
- Christopher Cerf & Jim Timmens (producers) for Aren't You Glad You're You performed by various artists

Classical

Best Classical Orchestral Performance
- Gunther Breest (producer), Carlo Maria Giulini (conductor) & the Chicago Symphony Orchestra for Mahler: Symphony No. 9 in D
Best Classical Vocal Soloist Performance
- Neville Marriner (conductor), Janet Baker & the Academy of St. Martin in the Fields for Bach: Arias
Best Opera Recording
- Thomas Z. Shepard (producer), John De Main (conductor), Donnie Albert, Carol Brice, Clamma Dale & the Houston Grand Opera Orchestra for Gershwin: Porgy and Bess
Best Choral Performance (other than opera)
- Georg Solti (conductor), Margaret Hillis (choir director) & the Chicago Symphony Orchestra & Chorus; for Verdi: Requiem
Best Classical Performance Instrumental Soloist or Soloists (with orchestra)
- Itzhak Perlman & the London Philharmonic Orchestra for Vivaldi: The Four Seasons
Best Classical Performance Instrumental Soloist or Soloists (without orchestra)
- Artur Rubinstein for Beethoven: Piano Sonata No. 18 in E Flat/Schumann: Fantasiestucke, Op. 12
Best Chamber Music Performance
- The Juilliard String Quartet for Schoenberg: Quartets for Strings (Complete)
Best Classical Album
- Thomas Frost (producer), Leonard Bernstein (conductor), Dietrich Fischer-Dieskau, Vladimir Horowitz, Yehudi Menuhin, Mstislav Rostropovich, Isaac Stern, Lyndon Woodside & the New York Philharmonic for Concert of the Century

Comedy

Composing and arranging

Best Instrumental Composition
- John Williams (composer) for "Main Title From Star Wars"
Best Original Score Written for a Motion Picture or a Television Special
- John Williams (composer) for Star Wars
Best Instrumental Arrangement
- Harry Betts, Perry Botkin Jr & Barry De Vorzon (arrangers) for "Nadia's Theme (The Young and the Restless)" performed by Barry De Vorzon
Best Arrangement Accompanying Vocalist(s)
- Ian Freebairn-Smith (arranger) for "Love Theme From A Star Is Born (Evergreen)" performed by Barbra Streisand
Best Arrangement For Voices
- The Eagles (arrangers) for "New Kid in Town"

Country

Best Country Vocal Performance, Female
- Crystal Gayle for "Don't It Make My Brown Eyes Blue"
Best Country Vocal Performance, Male
- Kenny Rogers for "Lucille"
Best Country Vocal Performance by a Duo or Group
- The Kendalls for "Heaven's Just a Sin Away"
Best Country Instrumental Performance
- Hargus Pig Robbins for Country Instrumentalist of the Year
Best Country Song
- Richard Leigh (songwriter) for "Don't It Make My Brown Eyes Blue" performed by Crystal Gayle

Folk

Gospel

Best Gospel Performance, Traditional
- The Oak Ridge Boys for "Just a Little Talk With Jesus"
Best Gospel Performance, Contemporary or Insprirational
- The Imperials for Sail On
Best Soul Gospel Performance, Traditional
- James Cleveland for James Cleveland Live at Carnegie Hall
Best Soul Gospel Performance, Contemporary
- Edwin Hawkins for Wonderful!
Best Inspirational Performance
- B.J. Thomas for Home Where I Belong

Jazz

Best Jazz Vocal Album
- Al Jarreau for Look to the Rainbow
Best Jazz Instrumental Performance, Soloist
- Oscar Peterson for The Giants
Best Jazz Performance by a Group
- Phil Woods for The Phil Woods Six - Live From the Showboat
Best Jazz Performance by a Big Band
- Count Basie for Prime Time

Latin

Musical Show

Best Best Cast Show Album
- Charles Strouse, Martin Charnin (composers), Charles Strouse, Larry Morton (producers) & the original cast with Andrea McCardle & Dorothy Loudon for Annie

Packaging and Notes

Best Album Package - Incl. Album Cover, Graphic Arts, Photography
- John Kosh (art director) for Simple Dreams performed by Linda Ronstadt
Best Album Notes
- George T. Simon (notes writer) for Bing Crosby - A Legendary Performer

Pop

Best Female Pop Vocal Performance
- Barbra Streisand for "Love Theme From A Star Is Born (Evergreen)"
Best Male Pop Vocal Performance
- James Taylor for "Handy Man"
Best Pop Performance by a Duo or Group with Vocal
- Bee Gees for "How Deep Is Your Love"
Best Pop Instrumental Performance
- John Williams for Star Wars

Production and engineering

Best Engineered Recording, Non-Classical
- Al Schmitt, Bill Schnee, Elliot Scheiner & Roger Nichols (engineers) for Aja performed by Steely Dan
Producer of the Year, Non-Classical
- Peter Asher
Best Classical Engineered Recording
- Kenneth Wilkinson (engineer), Georg Solti & the Chicago Symphony Orchestra for Maurice Ravel: Bolero conducted by Georg Solti

R&B

Best R&B Instrumental Performance;
- Brothers Johnson for "Q"
Best Female R&B Vocal Performance;
- Thelma Houston for "Don't Leave Me This Way"
Best Male R&B Vocal Performance;
- Lou Rawls for Unmistakably Lou
Best R&B Performance by a Duo or Group with Vocal;
- The Emotions for "Best of My Love"
Best R&B Song;
- Leo Sayer & Vini Poncia (songwriters) for "You Make Me Feel Like Dancing" performed by Leo Sayer

Spoken