Nudge or Nudging may refer to:

Arts Nudge (band), an American electronic rock band Nudge, a character from the Maximum Ride series by James Patterson "Nudge Nudge", a sketch from the third episode of Monty Python's Flying Circus Gerald "Nudge" Noritis, a character from the Australian sitcom Hey Dad..!

Information technology Nudge (instant messaging), an attention-getting feature in instant messaging software Nudging, a data assimilation method also known as Newtonian relaxation

Organisations Nudge Institute, an Indian anti-poverty nonprofit Behavioural Insights Team, or "Nudge Unit", a UK-based global social purpose organisation

Psychology Nudge (book), a book on choice architecture by Richard Thaler and Cass R. Sunstein Nudge theory, a psychological theory on influencing individuals and groups to take action without force