| Acronym | Definition |
|---|
| ATW | Around The World |
| ATW | American Theatre Wing |
| ATW | All The Way (82nd Airborne Division motto) |
| ATW | All the Web (web search engine; FAST Search & Transfer ASA) |
| ATW | At the Wellhead (gas production) |
| ATW | According to Wikipedia |
| ATW | Arriva Trains Wales (UK train operator) |
| ATW | Authorization to Work (various locations) |
| ATW | Air Toxics Website (US EPA) |
| ATW | All Terrain Wagon |
| ATW | Anti-Tank Weapon |
| ATW | Above This World (band) |
| ATW | Against the Wall |
| ATW | Accelerator Transmutation of Waste |
| ATW | Advertising That Works |
| ATW | Auto Tracking White Balance |
| ATW | Above the Water |
| ATW | Advanced Technology Workshop |
| ATW | Applied Technology Workshop |
| ATW | At the Wheels (racing) |
| ATW | Around the Way |
| ATW | Aquatic Toxicity Workshop (Canada) |
| ATW | Association of Teachers' Websites (UK) |
| ATW | American Travelways (fictional airline from the movie The Delta Force) |
| ATW | America's Telephone Warehouse (Houston, TX) |
| ATW | Appleton, WI, USA - Outagamie County Airport (Airport Code) |
| ATW | Automatic Tank Welding |
| ATW | Aerospace Test Wing |
| ATW | Advanced Tactical Workstation |
| ATW | Anti-Terrorism Warfare |
| ATW | All Truck Works (gaming) |
| ATW | AOL plus Time Warner |
| ATW | Ambiron Trustwave |
| ATW | Alexander: Total War (video game) |
| ATW | Advanced Tactical Warfare (gaming clan) |
| ATW | Airsoft Team Warrior (online gaming clan) |
| ATW | A Touch of Wood (various locations) |