| C&F | Chrom Und Flammen 
| Others |
| C&F | Copper and Fiber
| Others |
| C.F. | Compared (to)
| Others |
| C/F | Car Ferry
| Others |
| C/F | Carried Forward
| Others |
| C/F | Center Frequency
| Others |
| C/F | Clinical Features
| Others |
| CF | C Fest
| Others |
| CF | calcaneofibular
| Others |
| CF | Californium
| Element |
| CF | Call Forward
| Others |
| CF | Call Forwarding
| Others |
| CF | Camp Fianna
| Others |
| CF | Canadian Forces
| Others |
| CF | Canadian French
| Others |
| CF | Cannon Fodder
| Others |
| CF | Canopy Formation
| Others |
| CF | Cantus Firmus
| Others |
| CF | Capacity Factor
| Others |
| CF | Cape Fear
| Others |
| CF | Cape Fear Railway
| Others |
| CF | Cape Fear Railways Incorporated
| Others |
| CF | Capita Financial
| Others |
| CF | Captive Farmed
| Others |
| CF | Carbon Fiber
| Others |
| CF | Cardiac Failure
| Others |
| CF | Cardiac Fibrillation
| Others |
| CF | Cardiac Fibroblast
| Others |
| CF | Cardiac Float
| Others |
| CF | Carlson and Fredricksen coffee shop
| Others |
| CF | Carotid Foramen
| Others |
| CF | Carrier Free
| Others |
| CF | Carrier Frequency
| Others |
| CF | Carrier Furnished
| Others |
| CF | Carry Flag
| Others |
| CF | Carry Forward
| Others |
| CF | Case Fatality
| Others |
| CF | Case File
| Others |
| CF | Casein Free
| Others |
| CF | Cash Flow
| Others |
| CF | CatFish
| Others |
| CF | Caucasian Female
| Others |
| CF | Causative Factor
| Others |
| CF | Caused a Fumble
| Others |
| CF | Causeway Ferry
| Others |
| CF | Cell Face
| Others |
| CF | Center Feild
| Others |
| CF | Center Flag
| Others |
| CF | Center Forward
| Others |
| CF | Central African
| Others |
| CF | Central Files
| Others |
| CF | Central Focus
| Others |
| CF | Centrifugal Force
| Others |
| CF | Ceramic Fiber
| Others |
| CF | Certainty Factor
| Others |
| CF | Cervical Fluid
| Others |
| CF | Ceska Financni
| Others |
| CF | Chaos Frame
| Others |
| CF | Chaplain to the Forces
| Others |
| CF | Character First
| Others |
| CF | Characteristic Frequency
| Others |
| CF | Characteristic Function
| Others |
| CF | Charcoal Filter
| Others |
| CF | Charcoal Filtered
| Others |
| CF | Charlie Foxtrot
| Others |
| CF | Chartreuse Flourescent
| Others |
| CF | Chartreuse Fluorescent
| Others |
| CF | Cheese Factory
| Others |
| CF | Chem Fun
| Others |
| CF | Chemical Fixation
| Others |
| CF | Chicken Fat
| Others |
| CF | ChloroForm
| Others |
| CF | Choice Function
| Others |
| CF | Chosen Few
| Others |
| CF | Chosin Few
| Others |
| CF | Christmas Factor
| Others |
| CF | Christy Fest
| Others |
| CF | Chronic Fatigue
| Others |
| CF | Chyang Fun
| Others |
| CF | Cincinnati to Fort Wayne route
| Others |
| CF | Circulatory Failure
| Others |
| CF | City Financial
| Others |
| CF | City Folk
| Others |
| CF | CivilingenjorsForbundet
| Others |
| CF | Classic Fedora
| Others |
| CF | Clastogenic Factor
| Others |
| CF | Clean Fill
| Others |
| CF | Clean Fuel
| Others |
| CF | Clear Flash
| Others |
| CF | Clinical Fellowship
| Others |
| CF | Clone Fiction
| Others |
| CF | Close Focus
| Others |
| CF | Clotting Factor
| Others |
| CF | CloudFormation
| Others |
| CF | Coalition Forces
| Others |
| CF | Coin First
| Others |
| CF | Cold Finish
| Others |
| CF | Cold Fire
| Others |
| CF | Cold Forged
| Others |
| CF | Cold Fusion
| Others |
| CF | Colds and Flu
| Others |
| CF | Collection Frequency
| Others |
| CF | Collimator Factor
| Others |
| CF | Collision Free
| Others |
| CF | Colony Formation
| Others |
| CF | Combining Form
| Others |
| CF | Comma Format
| Others |
| CF | Command Freak
| Others |
| CF | Commercial Film
| Others |
| CF | Common Factor
| Others |
| CF | Community and Foundation
| Others |
| CF | Community Facilitator
| Others |
| CF | Community Futures
| Others |
| CF | Compact Flash
| Others |
| CF | Compact Flash (memory card)
| Others |
| CF | Compact Fluorescent
| Others |
| CF | Compact Framework
| Others |
| CF | Compare, refer to
| Others |
| CF | Compares (to)
| Others |
| CF | Compares Favorably
| Others |
| CF | Compartmented Facility
| Others |
| CF | Compensational Fail
| Others |
| CF | Complement Fixation
| Others |
| CF | Complete Finisher
| Others |
| CF | Computation Flag
| Others |
| CF | Concentrated Fire
| Others |
| CF | Conceptual Framework
| Others |
| CF | Concern Foundation
| Others |
| CF | Condom Factory
| Others |
| CF | Conductivity Factor
| Others |
| CF | Confer
| Others |
| CF | Confer For
| Others |
| CF | Confidence Factor of the drift error
| Others |
| CF | Conflict Free
| Others |
| CF | Connecting Flight
| Others |
| CF | Conseil F
| Others |
| CF | Consent Form
| Others |
| CF | Conservative Future
| Others |
| CF | Consolidated-Vultee, Forth Worth
| Others |
| CF | Constant Ferdinand
| Others |
| CF | Constant Flow
| Others |
| CF | Construction Foreman
| Others |
| CF | Consume with Food
| Others |
| CF | Content Follower
| Others |
| CF | Contractile Force
| Others |
| CF | Control Function
| Others |
| CF | Control Functions
| Others |
| CF | Controlled Forze
| Others |
| CF | Conventional Forces
| Others |
| CF | Conversion Factor
| Others |
| CF | Coordination Function
| Others |
| CF | Core Foundation
| Others |
| CF | Coronary Flow
| Others |
| CF | Corporate Financier
| Others |
| CF | Correct Frame
| Others |
| CF | Correction Factor
| Others |
| CF | correction factor (for LC data)
| Others |
| CF | Correctional Facility
| Others |
| CF | Couarge Fearless
| Others |
| CF | Counting Fingers
| Others |
| CF | Coupling Facility
| Others |
| CF | Courageous Fighters
| Others |
| CF | Courtleigh Fleming
| Others |
| CF | Create And File
| Others |
| CF | Create File
| Others |
| CF | Criminal Felony
| Others |
| CF | Critical Failure
| Others |
| CF | Critical Fixpack
| Others |
| CF | Criticality Function
| Others |
| CF | Cross Flow
| Others |
| CF | Crown Financial
| Others |
| CF | Crude Fiber
| Others |
| CF | Crude Fibre
| Others |
| CF | Crusier Fifth
| Others |
| CF | Crystal Fighter
| Others |
| CF | Cshtuffing Fenvelopes
| Others |
| CF | Cubic Feet
| Others |
| CF | Culture Fluid
| Others |
| CF | Cumulative Frequency
| Others |
| CF | Cupped Face
| Others |
| CF | Cure Found
| Others |
| CF | Curriculum Framework
| Others |
| CF | Cursor Forward
| Others |
| CF | Curved Field
| Others |
| CF | Custom Formulated
| Others |
| CF | Customs Form
| Others |
| CF | Cycle for
| Others |
| CF | Cystic Fibrosis
| Others |
| CF | Flotilla Cruiser (Cruiser, destroyer Flotilla)
| Others |
| CF | Imake Configuration file
| Others |
| CF | Swedish Association of Graduate Engineers
| Others |
| CF | The Coude Feed
| Others |
| cf. | [generally italicized] Compare [Latin "confer", imperative of "compare"]
| Others |