CSV may refer to:
- Clerics of Saint Viator
- Confederación Sudamericana de Voleibol
- Character Strengths and Virtues
- Christian Social People's Party, a political party in Luxembourg
- Community Service Volunteers
- GM U platform, a minivan made by General Motors Corporation
- Confederación Sudamericana de Voleibol, the continental governing body for the sport of volleyball in South America
- Creating Shared Value, an concept linking competitiveness of a company and the health of the communities around it
In computing:
- Cluster Shared Volumes, a Microsoft Windows Server 2008 R2 Failover Clustering technology offering distributed access to Hyper-V virtual machines on shared storage
- Comma-separated values, a file format (usually with .csv extension)
- Certified Server Validation
- Computerized system validation