Nudge may refer to:

• "The Nudge", a nickname for rockstar Ted Nugent
• Gerald "Nudge" Noritis, a character from the Australian sitcom Hey Dad..!.
• Nudge: Improving Decisions About Health, Wealth, and Happiness, is an influential book by Richard Thaler and Cass R. Sunstein, which suggests it is better to attempt positive change by giving the choice of good behaviour (nudging) rather than by sanctions against bad behaviour.
• Nudge, a character from the Maximum Ride series by James Patterson.
• Nudge, the police.
• Nudge Nudge, a sketch from the third Monty Python's Flying Circus.
• Nudging (MS Windows), a Windows Live Messenger tool?
• Nudging, a data assimilation method also known as Newtonian relaxation.