A greenbelt or green belt is an undeveloped area neighbouring or surrounding an urban area, often protected from development by planning law. For a general treatment of these, see green belt. Articles covering particular examples include:

• Barton Creek Greenbelt
• Green belt (UK)
• Greenbelt (Golden Horseshoe)
• Greenbelt (Ottawa)
• Staten Island Greenbelt
• German Green Belt
• European Green Belt
• Greenbelt Alliance

The city of Greenbelt, Maryland near Washington, DC was named for its green belt. Local points of interest bear its name:

• Greenbelt station, a Washington Metro and MARC train station
• Greenbelt Park, a national park administered by the National Park Service

Other uses of the word greenbelt include:

• Green Belt (Pittsburgh), one of the six marked highway road routes of the Pittsburgh/Allegheny County Belt System
• The Greenbelt festival, an annual Christian arts festival in England
• "Green belt", a rank of achievement (pupil grade) in multiple martial arts systems, most notably the basic forms of Karate, Taekwondo, and Judo
• "Six Sigma Green Belt", a certification level of the Six Sigma processes
• Greenbelt (Bering Sea), the Bering Sea continental shelf break area
• Greenbelt festival of Christian music in England
• The Rapson Greenbelt, a prefabricated home by Ralph Rapson and Associates.

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