| Acronym | Definition |
|---|
| CPI | Consumer Price Index |
| CPI | Characters Per Inch |
| CPI | Continuous Process Improvement |
| CPI | Calling Party Identification |
| CPI | Cost Per Inquire/Inquiry (advertising) |
| CPI | Communist Party of India (political party) |
| CPI | Communications Power Industries (formerly Varian) |
| CPI | Comissao Parlamentar de Inquerito (Brazil) |
| CPI | Corruption Perceptions Index (US trade) |
| CPI | Chemical Process Industries |
| CPI | Center for Public Integrity |
| CPI | Common Programming Interface |
| CPI | Cost Performance Index |
| CPI | Cycles Per Instruction |
| CPI | Crisis Prevention Institute |
| CPI | Common Part Indicator |
| CPI | Centro de Promoção de Investimentos (Investment Promotion Centre, Mozambique) |
| CPI | Committee on Public Information |
| CPI | Cost Per Impression (advertising) |
| CPI | Code Page Information (File Name Extension) |
| CPI | Core Price Inflation (measure of inflation) |
| CPI | Control Products, Inc. (East Hanover, NJ) |
| CPI | Collateral Protection Insurance |
| CPI | Critical Program Information (US DoD) |
| CPI | Counterpart International |
| CPI | Cloud Particle Imager |
| CPI | Canada Pork International |
| CPI | Clock Per Instruction |
| CPI | Certified Pilates Instructor |
| CPI | Continual Process Improvement |
| CPI | Combined Paternity Index |
| CPI | Child Protective Investigator |
| CPI | Corrugated Plate Interceptor (oil production & treatment) |
| CPI | Community Philanthropy Initiative |
| CPI | Chile Pepper Institute (New Mexico State University) |
| CPI | Central Pennsylvania Institute of Science and Technology (Pleasant Gap, Pennsylvania) |
| CPI | Consumer Policy Institute (Yonkers, New York) |
| CPI | Competition Policy Institute |
| CPI | Critical Performance Indicator |
| CPI | Coherent Processing Interval |
| CPI | Crash Position Indicator |
| CPI | Chemical Patents Index |
| CPI | Crop Protection Institute (Canada) |
| CPI | Civilian Police International |
| CPI | Certified Property Inspector |
| CPI | Cours Pénale Internationale (French: International Criminal Court) |
| CPI | Comparable Performance Indicators |
| CPI | Church Publishing Incorporated |
| CPI | Chronic Public Inebriate |
| CPI | Commercial Properties, Inc (Portland, ME) |
| CPI | Counter-Proliferation Initiative |
| CPI | Coastal Plains Institute (Florida, USA) |
| CPI | Cost Per Interview (market research) |
| CPI | Computer-to-PBX Interface |
| CPI | Chemical and Petroleum Industry |
| CPI | Cleft Palate Isolated |
| CPI | Continuous Product Innovation |
| CPI | Capacity, Philanthropy and Interest (fundraising) |
| CPI | Continuity Programs, Inc. (Walled Lake, MI) |
| CPI | Couch Potato Index |
| CPI | Cooperative Preschool Inventory |
| CPI | China Philatelic Information (Chinese stamp authority) |
| CPI | Computer-Processed Interpretation |
| CPI | Car Position Indicator (elevators) |
| CPI | Cross Pointer Indicator (NASA) |
| CPI | Center for Public Initiatives (University of Scranton) |
| CPI | Common Physical Interface |
| CPI | Concrete Pipe Institute (Vienna, VA) |
| CPI | Catalytic Products International, Inc. (Echo Lake, Illinois) |
| CPI | Common Process Integration |
| CPI | Command Performance Inspection (US Navy) |
| CPI | Contractor Preliminary Inspection |
| CPI | Communications Processor and Interface |
| CPI | Civilian Personnel Instructions |
| CPI | Colectric Partners, Inc. |
| CPI | Construction Pollution Index |
| CPI | Compliance Program Implementation |
| CPI | Commence Primary Ignition (Star Wars) |
| CPI | Certified Plumbing Inspector |
| CPI | Cathodyne Phase Inverter |
| CPI | Conditional Priority Inheritance |
| CPI | Cost Plus Incentives (contract) |
| CPI | Civilian Personnel Integration |
| CPI | Colibria Philippines, Inc. |
| CPI | Cross Program Integration |
| CPI | Company Provided Item |
| CPI | Comprehensive Package Integration |
| CPI | Command Performance Indicator |
| CPI | Creative Presentations Incorporated |
| CPI | Clutch Pressure Indicator |
| CPI | Contractor Performance Inspection |
| CPI | Customer Provided Items |
| CPI | Custom Patient Instrumentation (orthopaedic industry) |
| CPI | Consolidated Pipeline Inc. |
| CPI | College Preparatory, Inc. |
| CPI | Continental Pole of Inaccessibility (furthest point from the sea) |