Eric Idle (born 29 March 1943) is an English actor, comedian, songwriter, musician, screenwriter and playwright. He was a member of the British comedy group Monty Python and the parody rock band the Rutles. Idle studied at Pembroke College, Cambridge, and joined Cambridge University Footlights.

Idle reached stardom when he co-created and acted in the sketch series Monty Python's Flying Circus (1969–1974) and the films Monty Python and the Holy Grail (1975), Life of Brian (1979) and The Meaning of Life (1983) with John Cleese, Michael Palin, Terry Gilliam, Terry Jones, and Graham Chapman.

Known for his elaborate wordplay and musical numbers, Idle performed many of the songs featured in Python projects, including "Always Look on the Bright Side of Life" and "Galaxy Song". After Monty Python's Flying Circus he created the sketch show Rutland Weekend Television (1975–1976), and hosted Saturday Night Live four times (1976–1979). He has also acted in films, including The Adventures of Baron Munchausen (1988), Nuns on the Run (1990), Splitting Heirs (1993), Casper (1995), An Alan Smithee Film: Burn Hollywood Burn (1997), Ella Enchanted (2004), and Shrek the Third (2007).

Idle made his Broadway debut with his adaptation of Monty Python and the Holy Grail (1975) into a musical, Spamalot (2005), which was a critical and commercial success earning the Tony Award for Best Musical, and Grammy Award for Best Musical Theater Album. He also wrote Not the Messiah (2009). He also performed at the London 2012 Olympic Games closing ceremony.