- In 2002, received Grammy for Best Musical Show Album
- In 2001, received Drama Desk Award for Outstanding Musical
- In 2001, received Tony for Book of a Musical
- In 2001, received Tony for Best Musical
- In 2001, received Drama Desk Award for Outstanding Book
- In 2001, received Tony for Score of a Musical
- In 2001, received Drama Desk Award for Outstanding Lyrics
- In 2001, received New York Drama Critics Circle for Best Musical
- In 2000, received American Comedy Award for Funniest Male Guest Appearance in a Television Series
- In 1999, received Emmy for Outstanding Guest Actor in a Comedy Series
- In 1999, received Grammy for Spoken Comedy Album
- In 1998, received Emmy for Outstanding Guest Actor in a Comedy Series
- In 1997, received American Comedy Award for Funniest Male Guest Appearance in a Television Series
- In 1997, received Emmy for Outstanding Guest Actor in a Comedy Series
- In 1977, received NATO for Director of the Year
- In 1974, received Writers Guild of America for Best Comedy Written Directly for the Screen
- In 1968, received Oscar for Best Screenplay
- In 1968, received Writers Guild of America for Best Original Screenplay
- In 1967, received Emmy for Outstanding Writing Achievement in Variety
- In 1963, received Oscar for Best Animated Short Subject
