| CVAC | Carolina-Virginia Athletic Conference | 卡罗莱纳-弗吉尼亚州体育大会 |
| CVAC | Cyclic Variations in Altitude Conditioning | 海拔条件的周期变化 |
| CVAC | ComitÉs Voluntarios de Autodefensa Civil | ComitÉs Voluntarios de Autodefensa Civil |
| CVAC | Chappaqua Volunteer Ambulance Corps (Chappaqua, New York) | 查帕夸志愿救护队（纽约查帕夸） |
| CVAC | Consolidated Vultee Aircraft Corporation (later became Convair) | 联合秃鹫飞机公司（后来成为Convair） |
| CVAC | Chippewa Valley Audubon Club | 奇佩瓦山谷奥杜邦俱乐部 |