| CWI | Canadian Wine Institute | 加拿大葡萄酒协会 |
| CWI | California Wine Institute | 加州餐酒协会 |
| CWI | cardiac work index | 心功指数 |
| CWI | Cummins Westport, Inc. | 康明斯Westport公司。 |
| CWI | Continuous Wave Injection | 连续波注入 |
| CWI | Cylindrical-Wave Incidence | 圆柱波入射 |
| CWI | Claim-Warrant-Impact (debate strategy) | 索赔权证影响（辩论策略） |
| CWI | California WellBeing Institute (Westlake Village, California) | 加州福利研究所（加利福尼亚州西湖村） |
| CWI | Cloud Liquid Water Index | 云液态水指数 |
| CWI | Copy With Include | 复制时包含 |
| CWI | Centrum voor Wiskunde en Informatica | 信息中心 |
| CWI | Cable & Wireless Inc. | 有线电视、无线公司 |
| CWI | Clinton, Iowa USA | 美国爱荷华州克林顿 |
| CWI | Council on Workforce Investment | 劳动力投资委员会 |
| CWI | Connetquot West, Incorporated | Connetquot West公司 |
| CWI | County Well Index (Minnesota Geological Survey) | 县井指数（明尼苏达州地质调查局） |
| CWI | Centrum Voor Werk En Inkomen (Dutch: National Research Institute for Mathematics and Computer Science) | Centrum Voor Werk En Inkomen（荷兰语：国家数学和计算机科学研究所） |
| CWI | Committee for a Workers International | 工人国际委员会 |
| CWI | Certified Welding Inspector | 认证焊接检验员 |
| CWI | Canadian Whale Institute | 加拿大鲸鱼研究所 |
| CWI | Continuous Wave Illumination | 连续波照明 |
| CWI | Child Well-Being Index | 儿童福利指数 |
| CWI | Cloverway International (AnimÉ production company) | Cloverway International (AnimÉ production company) |
| CWI | Coolwriter Internet | Coolwriter互联网 |