A ton is a unit of mass, force, volume, energy or power.
Ton or TON may also refer to:
Organizations (Proud of the Netherlands), a Dutch political party (Secret Teaching Organization), Polish underground educators during World War II
People Ton (given name), a Dutch short form of Anton Ton (surname) Tôn, a Vietnamese surname (equivalent to Sun)
Places Europe -ton, a common feature in British toponymy Ton (river), river in Belgium and France Ton, Trentino, Italy; a commune Tôň, a village in Slovakia Ton Pentre
Elsewhere Tonga (by ISO 3166 country code) Ton, Burkina Faso Ton, Myanmar
Science and technology The Open Network, a decentralized computer network Ton of refrigeration, unit of power of cooling systems Tonantzintla Catalogue (TON), an astronomical catalogue Turnover number, a concept in chemical kinetics
Sports Ton, a century in cricket Ton, a century break in snooker
Transport Tonbridge railway station, Kent, England, by National Rail station code
Other uses Ton (society), the British high society during the Regency era Ton class, used to classify yachts
See also Taun (disambiguation) Toe (disambiguation) Toi (disambiguation) Tonn (disambiguation) Tonne (disambiguation) Tono (disambiguation) Tons (disambiguation) Tonton (disambiguation) Toon (disambiguation) Tone (disambiguation)