| COV | Counter Obstacle Vehicle | 反障碍车辆 |
| COV | Cleft Of Venus | 金星裂缝 |
| COV | Committee for Overseas Vietnamese (Vietnam) | 海外越南人委员会（越南） |
| COV | Compusi Organici Volatili | 有机物挥发性 |
| COV | Closed Order Variance | 关闭订单差异 |
| COV | Certificate of Origin for a Vehicle | 车辆原产地证书 |
| COV | Cutoff Valve | 切断阀 |
| COV | Co-Variant | 共变量 |
| COV | Compuestos OrgÁnicos VolÁtiles (Spanish: Volatile Organic Compounds) | Compuestos OrgÁnicos VolÁtiles (Spanish: Volatile Organic Compounds) |
| COV | City of Villains | 恶棍城市 |
| COV | Continuous Optimal Values | 连续最佳值 |
| COV | Change of venue | 场地变更 |
| COV | Corona Virus | 冠状病毒 |
| COV | City of Villians (game) | 维利亚城（游戏） |
| COV | Chant of Victory (Lineage 2 game) | 胜利之歌（血统2游戏） |
| COV | Cryovac (Sealed Air corporation brand) | Cryovac（密封空气公司品牌） |
| COV | Commonwealth of Virginia | 弗吉尼亚联邦 |
| COV | ComposÉs Organiques Volatiles (French) | ComposÉs Organiques Volatiles (French) |
| COV | coefficient of variance | 方差系数 |
| COV | concentrated oil of vitriol | 浓硫酸油 |
| COV | Covariance | 协方差 |