CS
- (-)-camphene synthase
- AT Attachment
- Adobe Creative Suite
- Airbus A220
- C Sharp (programming language)
- C's (disambiguation)
- C/s (disambiguation)
- CS (gene)
- CS Wind
- CS gas
- CS register
- Cable Ship
- Caesarean section
- Caesium
- Calgary Stampede
- Cannon Street station
- Carbon monosulfide
- Carbon steel
- Cardiogenic shock
- Carotid sinus
- Caught stealing
- CentraleSupélec
- ChanServ
- Checkstyle
- Chhatrapati Shivaji
- Chief Secretary (Hong Kong)
- Chief superintendent
- Chip select
- Christian Science
- Christian Social Party (Austria)
- Circuito Sur
- Cirrostratus cloud
- Cisleithania
- Citizen science
- Citizens (Spanish political party)
- Cockayne syndrome
- Coke Studio (disambiguation)
- Comp-Sultants
- Company secretary
- Compressed sensing
- Computer science
- Conditioned stimulus
- Confederate States of America
- Congregation of the Missionaries of St. Charles
- Connecting Stockholm
- Controlled substance
- Copenhagen Suborbitals
- Corticosteroids
- CouchSurfing
- Counter-Strike
- Counter-scanning
- Cowden syndrome
- Credit Suisse
- Culinary specialist (United States Navy)
- Customer service
- Czech language
- Czechoslovakia
- Ferrari 360
- Global Positioning System
- Hungarian cs
- IATA
- List of Latin phrases
- List of cruisers of the United States Navy
- Missionaries of St. Charles Borromeo
- Serbia and Montenegro
- The Elder Scrolls Construction Set