CSV may refer to:

• Certified Server Validation, a spam fighting technique
• Cluster Shared Volumes, a Microsoft Windows Server 2008 technology
• Comma-separated values, a file format and extension
• Computerized system validation, a documentation process

• CSV Apeldoorn, a Netherlands football club
• Christian Social People's Party, a political party in Luxembourg
• Clerics of Saint Viator, a Roman Catholic institute
• Community Service Volunteers, a British charity
• Confederación Sudamericana de Voleibol (South American Volleyball Confederation)
• Conseil scolaire Viamonde, a public school board in Ontario, Canada

• Chevrolet Special Vehicles, Holden racing car
• Corsa Specialised Vehicles, an Australia car-maker
• Crestview station (Florida), Amtrak code CSV, a former train station in the United States
• GM U platform, General Motors cross-over sport vans

• C. S. Venkataraman, a mathematician from Kerala, India
• ČSV, a Sámi initialism
• Character Strengths and Virtues, 2004 book
• Coppa Sergio Valci, association football cup competition in Vatican City
• Creating shared value, a business concept