| C&S | Cable and Satellite 
| Others |
| C&S | Casualty and Survivability
| Others |
| C&S | Citizens and Southern National Bank
| Others |
| C&S | Culture and Sensitivities
| Others |
| C&S | Culture and sensitivity
| Others |
| C.S | C.Subramaniam
| Others |
| C/S | Caesarean Section
| Others |
| C/S | Cervical Spondylosis
| Others |
| C/S | Chief of Staff
| Others |
| C/S | Container Transport Vessel
| Others |
| C/S | Counts per Second
| Others |
| CS | 2-Chlorobenzylidene malonontrile
| Others |
| CS | Cabin Sailer
| Others |
| CS | Cable Select
| Others |
| CS | Cable Set
| Others |
| CS | Cache Size
| Others |
| Cs | caesium
| Others |
| Cs | Caesium/Cesium
| Others |
| CS | Calgary Stampede
| Others |
| CS | California Special
| Others |
| CS | Call Sign
| Others |
| CS | Camble S
| Others |
| CS | Camelot Spades
| Others |
| CS | Camper Sniping
| Others |
| CS | Campomelic Syndrome
| Others |
| CS | Campus Solutions
| Others |
| CS | Cancer Survivor
| Others |
| CS | Cannibal Sadist
| Others |
| CS | Capgras syndrome
| Others |
| CS | Capital Strategy (!)
| Others |
| CS | Captain Spirit
| Others |
| CS | Capture Stack
| Others |
| CS | Car Sport
| Others |
| CS | Caras Severin
| Others |
| CS | Carbon Monosulfide
| Others |
| CS | Carbon Steel
| Others |
| CS | Carcinoid Syndrome
| Others |
| CS | Cardiogenic Shock
| Others |
| CS | Career Services
| Others |
| CS | Carl Sagan
| Others |
| CS | Carolina Spartan
| Others |
| CS | Carolyn Startup
| Others |
| CS | Carotid Sheath
| Others |
| CS | Carotid Sinus
| Others |
| CS | Carpenter's School
| Others |
| CS | Carrier Sense
| Others |
| CS | Cart Skins
| Others |
| CS | Case Sensitive
| Others |
| CS | Case Size
| Others |
| CS | Casey Stengel
| Others |
| CS | Cashiering Skills
| Others |
| CS | Cast Steel
| Others |
| CS | Cat Scratch
| Others |
| CS | Catalog Specific
| Others |
| CS | Catalytic Subunit
| Others |
| CS | Catastrophically Slowww
| Others |
| CS | Caught Stealing
| Others |
| CS | Cavitt School
| Others |
| CS | Cayuga Seneca
| Others |
| CS | CD Single
| Others |
| CS | Cell Surface
| Others |
| CS | Center Speaker
| Others |
| CS | Centi-Seconds
| Others |
| CS | Central Station
| Others |
| CS | Central Sterile
| Others |
| CS | Central Supply
| Others |
| CS | Cerebral Scintigraphy
| Others |
| CS | Certainty Scale
| Others |
| CS | Certification Specifications
| Others |
| CS | Cervical Stimulation
| Others |
| CS | Cervicothoracic Somite
| Others |
| CS | Cesarian Section
| Others |
| CS | Cesium
| Element |
| CS | Change Status
| Others |
| CS | Channel Strip
| Others |
| CS | Chaplain Service
| Others |
| CS | Character Set
| Others |
| CS | Character Sheet
| Others |
| CS | Character String
| Others |
| CS | Charge Separation
| Others |
| CS | Charged Suppressed
| Others |
| CS | Charging System
| Others |
| CS | Charity Shop
| Others |
| CS | Charles Springer
| Others |
| CS | Charlie Springer
| Others |
| CS | Cheap Skate
| Others |
| CS | Checkout Station
| Others |
| CS | Chef's Special
| Others |
| CS | Chern-Simons
| Others |
| CS | Cherry Sunburst
| Others |
| CS | Chevette Scooter
| Others |
| CS | Chief Scientist
| Others |
| CS | Chief Secretary
| Others |
| CS | Child Sexuality
| Others |
| CS | Chinese Spring
| Others |
| CS | Chip Select
| Others |
| CS | Chitin Synthase
| Others |
| CS | Chlorobenzalmalononitrile The Soldiers
| Others |
| CS | Cholesterol Stone
| Others |
| CS | Cholesterol Sulphate
| Others |
| CS | Chondroid Syringoma
| Others |
| CS | Chondroitin Sulfate
| Others |
| CS | chondrosarcoma
| Others |
| CS | Christian Saint
| Others |
| CS | Christian Science
| Others |
| CS | Christian Scientist
| Others |
| CS | Chronic Schizophrenia
| Others |
| CS | Cigarette Smoke
| Others |
| CS | Cipherfile State
| Others |
| CS | Circuit Simulator
| Others |
| CS | Citrate Synthase
| Others |
| CS | City Spec
| Others |
| CS | City Sport
| Others |
| CS | City Street
| Others |
| CS | Civil Servant
| Others |
| CS | Civil Service
| Others |
| CS | Civil Support
| Others |
| CS | Classical Studies
| Others |
| CS | Clean Sheet
| Others |
| CS | Clean Sweep
| Others |
| CS | Clear Shadow
| Others |
| CS | Client-Server
| Others |
| CS | Climacteric Syndrome
| Others |
| CS | Climate Services
| Others |
| CS | Clinical Skills
| Others |
| CS | Clinical Specialist
| Others |
| CS | Clinical Stage
| Others |
| CS | Clinical Status
| Others |
| CS | Clinical Supervisor
| Others |
| CS | Clinically Significant
| Others |
| CS | Cliometric Society
| Others |
| CS | Clip System
| Others |
| CS | Clive Staples
| Others |
| CS | Clotting Screening
| Others |
| CS | Club Ship
| Others |
| CS | Club Sport
| Others |
| CS | Club Stamp
| Others |
| CS | Cluster Size
| Others |
| CS | Clyde Street
| Others |
| CS | Coastal Station
| Others |
| CS | Cobra Starship
| Others |
| CS | Cockayne Syndrome
| Others |
| CS | Code Segment
| Others |
| CS | Coding Scheme
| Others |
| CS | Coding Supplement
| Others |
| CS | Coeliac Sprue
| Others |
| CS | Coffee Shops
| Others |
| CS | Cold Storage
| Others |
| CS | Collaborative Selling
| Others |
| CS | Collective Soul
| Others |
| CS | Colony Ship
| Others |
| CS | Colorado and Southern Railway (BNSF Railway)
| Others |
| CS | Colt-Scoville
| Others |
| CS | Combat Service
| Others |
| CS | Comfort and Safety
| Others |
| CS | Comfort Shift
| Others |
| CS | Command Staff
| Others |
| CS | command Suggest
| Others |
| CS | Commercial Sampling
| Others |
| CS | Commercial Standard (per the USDoC)
| Others |
| CS | Committee on Seismology
| Others |
| CS | Committee Substitute
| Others |
| CS | Commodores Staff
| Others |
| CS | Common Sense
| Others |
| CS | Common Set
| Others |
| CS | Common Signaling
| Others |
| CS | Common Software
| Others |
| CS | Common Stock
| Others |
| CS | Communication Studies
| Others |
| CS | Communications Server
| Others |
| CS | Communications Software
| Others |
| CS | Communications Staff
| Others |
| CS | Communications Support
| Others |
| CS | Community Service
| Others |
| CS | Community Sponsor
| Others |
| CS | Company Secretary
| Designation / Rank |
| CS | Comparative Statement
| Others |
| CS | Compensator Specification
| Others |
| CS | Competition Sport
| Others |
| CS | Complementary Slackness
| Others |
| CS | Complete Stroke
| Others |
| CS | Complete Suite
| Others |
| CS | Complex Systems
| Others |
| CS | Component Species
| Others |
| CS | Composite State
| Others |
| CS | Compression Syndrome
| Others |
| CS | Compressive Strength
| Others |
| CS | Computer Science
| Science, Computer Science |
| CS | Computer Scientist
| Others |
| CS | Computer Services
| Others |
| CS | Computer Spirituality
| Others |
| CS | Computer Studies
| Others |
| CS | Computer Support
| Others |
| CS | Computing Studies
| Others |
| CS | Concurrent Session
| Others |
| CS | Conditioned Stimulus
| Others |
| CS | Confederate States
| Others |
| CS | Confidential Source
| Others |
| CS | Confined Space
| Others |
| CS | Congenital Syphilis
| Others |
| CS | Conjunctival Secretion
| Others |
| CS | Connect Server
| Others |
| CS | Connecting Segment
| Others |
| CS | Connections and Service
| Others |
| CS | Conscious Sedation
| Others |
| CS | Conservative Surgery
| Others |
| CS | Constant Source
| Others |
| CS | Constant Speeding
| Others |
| CS | Constant Speedingcs
| Others |
| CS | Constant Speedingre
| Others |
| CS | Construction Safety
| Others |
| CS | Construction Site
| Others |
| CS | Construction Supervision
| Others |
| CS | Consumables Status
| Others |
| CS | Consumer Surplus
| Others |
| CS | Consumer's Surplus
| Others |
| CS | Contact Sensitivity
| Others |
| CS | Contaminated Site
| Others |
| CS | Contemptuous Sardonic
| Others |
| CS | Content Staging
| Others |
| CS | Contract Security
| Others |
| CS | Contrast Sensitivity
| Others |
| CS | Contrast Sensitivity test
| Others |
| CS | Control Segment
| Others |
| CS | Control Serum
| Others |
| CS | Control Station
| Others |
| CS | Control Subjects
| Others |
| CS | Control Switch
| Others |
| CS | Control Systems
| Others |
| CS | Conventional Smear
| Others |
| CS | Convergence Sublayer
| Others |
| CS | Converse Shoes
| Others |
| CS | Conversion Specifier
| Others |
| CS | Cool Stuff
| Others |
| CS | Coordinate System
| Others |
| CS | Copper Sulfate
| Others |
| CS | Core Segment
| Others |
| CS | Coronary Sinus
| Others |
| CS | Corporate Source
| Others |
| CS | Corpus Striatum
| Others |
| CS | Correct Score
| Others |
| CS | Corrugated Steel
| Others |
| CS | Corson And Stoughton
| Others |
| CS | Corticosteroids
| Others |
| CS | Cosenza (Provence)
| Others |
| CS | Cost and Schedule
| Others |
| CS | Costly Software
| Others |
| CS | Couch Surfing
| Others |
| CS | Counter Service
| Others |
| CS | Counter Strike
| Others |
| CS | Counter-Strike
| Others |
| CS | Counterdrug Surveillance
| Others |
| CS | Country Supposition
| Others |
| CS | County Saddlery
| Others |
| CS | Coupe Sport
| Others |
| CS | CR stand
| Others |
| CS | Craig Scarahs
| Others |
| CS | Craig Scott
| Others |
| CS | Crashes Sometimes
| Others |
| CS | Creative Solutions
| Others |
| CS | Creative Storytelling
| Others |
| CS | Creative Studio
| Others |
| CS | Creative Suit
| Others |
| CS | Creative Suite
| Others |
| CS | Creep Score
| Others |
| CS | Crew Simulator
| Others |
| CS | Crew Station
| Others |
| CS | Cricket Samoa
| Cricket |
| CS | Cricket Scotland
| Cricket |
| CS | Cricket Spain
| Cricket |
| CS | Critical Studies
| Others |
| CS | Critical Success
| Others |
| CS | Cross Section
| Others |
| CS | Cruise Ship
| Others |
| CS | Crummy Screen
| Others |
| CS | Crush Syndrome
| Others |
| CS | Crystal Space
| Others |
| CS | CSL Stand
| Others |
| CS | CTRL Shift
| Others |
| CS | Cube Script
| Others |
| CS | Current Sensing
| Others |
| CS | Current Smoker
| Others |
| CS | Current Strength
| Others |
| CS | Curriculum Support
| Others |
| CS | Curry Shop
| Others |
| CS | Cushing syndrome
| Others |
| CS | Customer Satisfaction
| Others |
| CS | Customer Service
| Others |
| CS | Customer Sevice
| Others |
| CS | Customized Solution
| Others |
| CS | Cutaneous Sensitivity
| Others |
| CS | Cutaway Small
| Others |
| CS | Cute Sorry
| Others |
| CS | Cyber Sex
| Others |
| CS | Cyber Sonic
| Others |
| CS | Cybernetics Society
| Others |
| CS | cyclosporine
| Others |
| CS | Cylinder Series
| Others |
| CS | Cytoreductive Surgery
| Others |
| CS | cytoskeletal
| Others |
| CS | Czechoslovakia
| Others |
| CS | Former Czechoslovakia
| Others |
| CS | IEEE Computer Society
| Others |
| CS | Kennedy Space Center Directorate of STS (Space Transportation System) Cargo Operations
| Others |
| CS | Scout Cruiser
| Others |
| CS | Spacelab Operations Directorate
| Others |
| CS | The Conditional Simulation
| Others |