AT

• .at
• AT (form factor)
• AT Protocol
• AT1 (disambiguation)
• ATS (disambiguation)
• Aarne–Thompson classification system
• Acceptance testing
• Aliança da Terra
• Alternative Tentacles
• Ampere-turn
• Anaerobic threshold
• Anti-tank warfare
• Antigua and Barbuda
• Antithrombin
• Appalachian Trail
• Appropriate technology
• Archive Team
• Ashmore and Cartier Islands
• Assistive technology
• Astatine
• At (cuneiform)
• At, Bihar
• Ataxia–telangiectasia
• Atchison County, Kansas
• Athletic training
• Atrial tachycardia
• Attotesla
• Auckland Transport
• Audiotool
• Australia
• Austria
• Autolinee Toscane
• Automatic transmission
• Aviation electronics technician (United States Navy)
• Awami Tahreek
• Bluesky
• DIN connector
• Digital audio workstation
• Hayes command set
• IBM Personal Computer/AT
• Lao kip
• List of auxiliaries of the United States Navy
• Province of Asti
• Royal Air Maroc
• Technical atmosphere