Tie or TIE may refer to:

• Necktie, a piece of cloth hanging around the neck for fashion
• Railroad tie, an oblong object used as a base for railroad rails
• Tie (engineering), a strong component designed to keep two objects closely linked together
• Tie (draw), a finish to a competition with identical results, particularly sports
• Tie (music), a musical notation symbol joining two notes without a break
• TIE fighter, from Star Wars
• The Indus Entrepreneurs, TiE, a global entrepreneurs organization
• Thurber Improv Entertainers, an Improv team from Red Deer, AB
• The Interactive Encyclopedia System
• Take It Easy, a team order in the game Battrick