| Acronym | Definition |
|---|
| CTW | Total Carat Weight |
| CTW | Companies to Watch |
| CTW | Children's Television Workshop |
| CTW | Capture the Wool (gaming) |
| CTW | Communications Theory Workshop |
| CTW | Conservative Time Windows |
| CTW | Creative Wave |
| CTW | Celcius Training Weapon (airsoft guns; Hong Kong) |
| CTW | Commended to the Word (ministry; Santa Cruz, CA) |
| CTW | Corporate Travel World |
| CTW | Chelmsford Theatre Workshop (Chelmsford, UK) |
| CTW | Conquer the World |
| CTW | Career Transition Workshop (various locations) |
| CTW | Changing the World |
| CTW | Certified Tree Worker (International Society of Arboriculture) |
| CTW | Cutting the Wires (mobile data solutions; UK) |
| CTW | Context-Tree Weighting |
| CTW | Crack the Whip |
| CTW | Cologne-Twente Workshop |
| CTW | Carbon Trade Watch |
| CTW | Counter Terrorism Wing (Federal Investigative Agency; Pakistan) |
| CTW | Clan Total War (gaming clan) |
| CTW | Clifford T Ward (singer songwriter) |
| CTW | Communications Theory Workshop (IEEE) |
| CTW | Cheat to Win |
| CTW | Computer Trade Weekly |
| CTW | Criminal Trespass Warning |
| CTW | Constructed Treatment Wetland |
| CTW | Commando Training Wing |
| CTW | Clothes That Work (volunteer organization; Dayton, OH) |
| CTW | Clan of Tactical Warriors (gaming clan) |
| CTW | Carry That Weight (Beatles song) |
| CTW | Complain To Whom (spam prevention) |
| CTW | Constructive Travel Worksheet |
| CTW | Certified Technical Writer |
| CTW | Code and Unit Test Walkthrough |
| CTW | Cadet Training Weekend (Civil Air Patrol) |