- CACW stands for Cactus Wren (bird species Campylorhynchus brunneicapillus)
- CACW stands for Chinese-American Composite Wing
- CACW stands for Commission for Australian Catholic Women
- CACW stands for Classical Association of the Canadian West
- CAC-W stands for Command Acquisition Center Washington
- CAC-W stands for CECOM Acquisition Center – Washington
- CACW stands for Closed Air Circuit Water Cooled
- CACW stands for Core Auxiliary Cooling Water
- CACW stands for Charge Air Cooling Water (generators)
- CAC-W stands for Command Acquisition Center – Washington
CAC-W