| California Interscholastic Federation | Academic & Science |
| Colegio de Ingenieros Forestales de Chile | Academic & Science |
| College of Foresters of Chile | Academic & Science |
| Capacitor Input Filter | Academic & Science |
| Common Interchange Format | Accounts and Finance |
| Chifeng | Airport Code |
| Council of International Fellowship | Associations |
| Childline India Foundation | Associations & Organizations |
| Collective Investment Fund | Banking |
| Customer Information File | Banking |
| Chronic Insufficient Funds | Banking |
| Cost, Insurance, and Freight | Business |
| Center Innovation Fund | Business |
| MFS Intermediate High Income Fund (formerly Colonial Intermediate High Income Fund) | Business |
| Crystallography Information File | Business |
| Canadian Institute of Forestry | Business |
| Chalmers Islamiska Forening | Business |
| Carador Income Fund, priced in Euros (de-listed) | Business |
| iShares Global Infrastructure Index Fund (formerly Claymore Global Infrastructure Exchange Traded Fund) | Business |
| Challenger Infrastructure Fund | Business |
| Climate Investment Funds | Business |
| Chancellor's Innovation Fund | Business |
| Community Instruments and Facilities | Community |
| Cloud Industry Forum | Community |
| Chinmaya International Foundation | Community |
| Community Investment Fund | Community |
| Critical Issues Forum | Community |
| Component Interface Framework | Computer Hardware |
| Common Intermediate Format | Computing |
| Cells In Frames | Computing |
| Computer Integrated Factory | Computing |
| Catalog Interchange Format | Computing |
| Computer Interest Floor | Computing |
| Cells In Frame | Computing |
| Cost Insurrance and Freight | Computing |
| Chapter Information | Computing |
| Customization Input File | Computing |
| Customer Installable Feature | Computing |
| Common Information File | Computing |
| Comment is free | Computing Internet |
| Common Interface Format | Electronics |
| Cd (compact Disk) Image File | File Type |
| Ventura Publisher Chapter Information File | File Type |
| Caltech Intermediate Format Graphics File | File Type |
| Iucr Crystallographic Information File | File Type |
| Consolidated Intelligence Facility | General |
| Central Issue Facilities | General |
| Customer Information Form | General |
| Communications and Information Foundations | General |
| Cost In Foreign | General |
| Crystallographic Information Framework | General |
| Customer Identification File | General |
| Composite Indicators Framework | General |
| Compression Ignition Fuel | General |
| Chrysler Imperial France | General |
| Common Image Format | General |
| Cd Image File | General |
| Common Industry Format | General |
| Crystal Information File | General |
| Challenge International And Fun | General |
| Caltech Intermediate Form | General |
| Common Intermediate For | General |
| Construction Innovation Forum | General |
| Central Instrument Facility | General |
| Collective Intelligence Framework | General |
| Compound Intermediate Format | General |
| Crystallographic Information File | General |
| Compositional Interchange Format | General |
| Cum In Face | General |
| Coordinated Instrumentation Facility | General |
| Communication and Information Foundations | General |
| Consolidated Issue Facility | General |
| Corps Interrogation Facility | General |
| Commerce Integration Framework | Governmental |
| Coming Into Force | Governmental |
| Creativity Index Factor | Governmental |
| California Interschalastic Federation | Governmental |
| Cost Insuance Freight | Governmental |
| CIF | Indian Railway Station |
| Cost Insurance Freight | Insurance |
| Costs Insurance and Freight | Insurance |
| Cleveland International Fund | International |
| Centro de Integración Familiar | International |
| Clone Institute Federation | Medical |
| Central Issue Facility | Military and Defence |
| Candidate Item File | Military and Defence |
| Corps Information Flow | Military and Defence |
| Capital Improvement Fund | Military and Defence |
| Chifeng, Mainland China | Regional |
| Caltech Intermediate Format | Softwares |
| Central Instrumentation Facility | Space Science |
| Clube internacional de futebol (Portuguese: International Football Club) | Sports |
| Champions Indoor Football | Sports |
| Chifeng Yulong Airport | Transport & Travel |
