| CWSS | Cold Weather Sleep System | 寒冷天气睡眠系统 |
| CWSS | California Weed Science Society | 加州杂草科学学会 |
| CWSS | Canadian Weed Science Society | 加拿大杂草科学学会 |
| CWSS | Combat Water Safety Swimmer (USMC) | 战斗水上安全游泳运动员（USMC） |
| CWSS | Community Water Supply Study (EPA) | 社区供水研究（EPA） |
| CWSS | Copper Wideband Serving Section (telecommunications) | 铜宽带服务科（电信） |
| CWSS | Civil War Soldiers and Sailors | 内战士兵和水手 |
| CWSS | Cooling Water Supply System | 冷却水供应系统 |
| CWSS | Common Weakness Scoring System | 常见缺陷评分系统 |