• Theater Hall of Fame
• Tony Award for Best Original Score (1982) (Nine)
• Tony Award for Best Musical (1982) (Nine)
• Tony Award for Best Musical Revival (2003) (Nine)
• Drama Desk Award for Outstanding Music (1982) (Nine)
• Drama Desk Award for Outstanding Lyrics (1982) (Nine)
• Nominee Tony Award for Best Original Score in (1990) (Grand Hotel)
• Nominee Drama Desk Award for Outstanding Music (Grand Hotel)
• Nominee Drama Desk Award for Outstanding Lyrics (Grand Hotel)
• Tony Award for Best Original Score (1997) (Titanic)
• Tony Award for Best Musical (1997) (Titanic)
• Nominee for Grammy Award for Best Musical Show Album (1983)
(Nine)
• Nominee for Grammy Award for Best Musical Show Album (1998) (Titanic)
• Nominee for Grammy Award for Best Musical Show Album (2004) (Nine)
• Laurence Olivier Award (2005) (Grand Hotel)
• Nominee for Academy Award for Best Original Song – “Take It All” in (2010) (Nine)
• Nominee for Golden Globe Award for Best Original Song – “Cinema Italiano” (2010) (Nine)
• Nominee for Broadcast Film Critics Award for Best Original Song – “Cinema Italiano
• Nominee for Satellite Award for Best Original Song – “Cinema Italiano”
• Nominee for the Drama Desk Award for Outstanding Music (2012) (Death Takes a Holiday)
• Nominee for the Drama Desk Award for Outstanding Lyrics (2012) (Death Takes a Holiday)
• ACE Award -Association of Latin Entertainment Critics Argentine award – Mejor Musical for “Nueve”
• Ambassador of The Society of Composers and Lyricists
• Honorary Doctorate in Music, DMA Five Towns College (2004)
• Elaine Kaufman Cultural Center Creative Arts Award (1998)
• Kayden Visiting Artist, Harvard University
• Emerson College Leonidas A. Nicklole Artist of Distinction Award
• Encompass Opera Lifetime Achievement Honoree
• Sheldon Harnick Award For Creative Excellence
• Friends of Music Medal/Yale (Composition)
• Theater Hall of Fame Inductee