Will may refer to:

• Will (law), a legal document expressing the desires of the author with regard to the disposition of property after the author's death
  • Living will, a legal document expressing the desires of the author with regard to medical decisions, invoked in the event that the author is incapacitated and unable to act on her own behalf
• Will (philosophy), a philosophical concept, the quality or instance that produces conscious and intended actions
• Will (sociology), a classic concept in sociology
• Will (computer game), an interactive fiction game developed by Square for Japanese computers
• William, the masculine given name, as the common short form "Will"
• Shall and will, verbs in the English language.
• Will (book), the autobiography of G. Gordon Liddy.
• WILL, callsign of the three public broadcasting stations owned by the University of Illinois at Urbana-Champaign.
• Will (comics), a Franco-Belgian comics artist, known for Isabelle