Killing Season may refer to:

• A British name for the July effect, a phenomenon in healthcare involving novice physicians
• Killing Season (2004 album)
• Killing Season (2013 film)
• The Killing Season (2015 Australian TV series), about the Rudd-Gillard Government (2007-2010)
• The Killing Season (2016 U.S. TV series), about the Long Island Serial Killer

• Bill Giles (baseball)
• Bill Giles (meteorologist)
• Bill Gilligan
• Bill Gillis
• Bill Gilmour
• Bill Gilmour (politician)
• Bill Gilonis
• Bill Glass
• Bill Glassford
• Bill Glasson
• Bill Gleason
• Bill Gleason (pitcher)
• Bill Glennie
• Bill Glerum
• Bill Glover
• Bill G. Lowrey
• Bill Glynn (baseball)
• Bill Goddard
• Bill Goggin
• Bill Gold
• Bill Goldfinch
• Bill Goldie
• Bill Goldsworthy
• Bill Good
• Bill Goodling