| Acronym | Definition |
|---|
| AWI | Animal Welfare Institute |
| AWI | Architectural Woodwork Institute (est. 1953; Potomac Falls, VA) |
| AWI | Agency for Workforce Innovation (Florida) |
| AWI | Armstrong World Industries, Inc (Lancaster, PA) |
| AWI | Administrative Web Interface |
| AWI | American War of Independence |
| AWI | Alfred-Wegener-Institut für Polar- und Meeresforschung in der Helmholtz-Gemeinschaft (German: Alfred Wegener Institute for Polar and Marine Research) |
| AWI | Australian Wool Innovation Limited |
| AWI | Ancient Woodland Inventory (UK) |
| AWI | Aging Water Infrastructure (US EPA) |
| AWI | Approved Work Item (ISO) |
| AWI | American Watchmakers Institute |
| AWI | Air Wisconsin Airlines (ICAO code) |
| AWI | African Women's Initiative |
| AWI | Arizona Water Institute (education partnership) |
| AWI | Automated Wagering International |
| AWI | American Wine Industry |
| AWI | Africa Wellness Initiative (California) |
| AWI | Ann Wigmore Institute (Puerto Rico) |
| AWI | Ashley Whippet Invitational (Naperville, IL) |
| AWI | Arizona Workforce Informer (publication; Arizona Department of Commerce) |
| AWI | Air Warfare Instructor (UK Royal Navy) |
| AWI | Air Water Interface |
| AWI | Aquitaine Webmédia Indépendant (French: Aquitaine Independent Webmedia) |
| AWI | Alloy Wheels International (group of wheel manufacturing companies in England, Canada, and South Africa) |
| AWI | Asian Women's Institute |
| AWI | Asymmetric Warfare Initiative (US DoD) |
| AWI | Alert with Information |
| AWI | Assembly Work Instruction |
| AWI | Aerospace Welding, Inc. |
| AWI | Acceptable Weekly Intake |
| AWI | All-Weather Interceptor |
| AWI | Adults with Incapacity Act of 2000 (UK) |
| AWI | Adelgund Witte Architecte Iessc (French architectural firm; Orléans, France) |
| AWI | Allowable Weekly Intake |
| AWI | Atelier Wolf Informatique (French: Wolf Computer Workshop) |
| AWI | Agence Willame Immobilier (French: Willame Estate Agency) |