| Acronym | Definition |
|---|
| ECP | Engineering Change Proposal |
| ECP | Enhanced Capability Port (type of computer parallel port) |
| ECP | Electromagnetic Compatibility Program |
| ECP | Electronic Communications in Probability |
| ECP | École Centrale Paris (Paris, France) |
| ECP | Encryption Control Protocol |
| ECP | Extended Capabilities Port (type of parallel port) |
| ECP | eosinophil cationic protein |
| ECP | Escadrilles Canadiennes de Plaisance (French) |
| ECP | Election Commission of Pakistan |
| ECP | East Coast Parkway (Singapore) |
| ECP | Eye Care Professional |
| ECP | Emergency Conservation Program |
| ECP | Estradiol Cypionate |
| ECP | External Counterpulsation |
| ECP | Empty Category Principle (linguistics) |
| ECP | East Coast Park (Singapore) |
| ECP | Electronic Check Presentment |
| ECP | Entry Control Point |
| ECP | Employee Concerns Program (human resources) |
| ECP | Enlisted Commissioning Program |
| ECP | Effective Core Potential |
| ECP | European Commercial Paper |
| ECP | Electrochemical Plating |
| ECP | Early Commissioning Program (ROTC) |
| ECP | Electron Capture |
| ECP | Eye Care Practitioner |
| ECP | European Common Proposal |
| ECP | Environmental Condition of Property |
| ECP | Electrochemical Corrosion Potential |
| ECP | Enhanced Call Processing |
| ECP | Extended Cutting Plane |
| ECP | Essential Community Provider |
| ECP | Electron Channeling Pattern (electron diffraction method in the scanning electron microscope) |
| ECP | Export Control Program |
| ECP | External Casing Packer (oil and gas industry) |
| ECP | Endoscopic Cyclo Photocoagulation (glaucoma treatment) |
| ECP | Empresa Colombiana de Petróleos (Ecopetrol) |
| ECP | Error Correction Protocol |
| ECP | Essence Communications Partners (publishing company) |
| ECP | Elliptic Curve Group Over GF(P) |
| ECP | Executive Cellular Processor |
| ECP | Electricity Capacity Planning (DOE, NEMS) |
| ECP | Elderly Cancer Patients |
| ECP | Emergency Call Processing |
| ECP | Ectrodactyly-Cleft Palate Syndrome |
| ECP | Engineering Change Package |
| ECP | Estimated Critical Position |
| ECP | Emission Control Program (Philippines) |
| ECP | Effective Communities Project (consultation to communities and their funders) |
| ECP | Entrepreneurial Competitive Profile |
| ECP | Employee Contribution Project (DOL) |
| ECP | Events Center Paddock (National Western Stock Show, Denver, CO) |
| ECP | Enhanced Communication Protocol |
| ECP | Equivalent Circuit Parameter |
| ECP | Exposed Conductive Part |
| ECP | Executive Control Program |
| ECP | Emergency Contraception/Contraceptive Pill |
| ECP | Environmental Control Panel (Nortel) |
| ECP | Electronic Check Presentation |
| ECP | Eosinophil Chemotactic Protein |
| ECP | Exercise Control Plan |
| ECP | Empowerment Contracting Program |
| ECP | Exchange Coupled Pair |
| ECP | Extended Care Physicians (Asheville, NC) |
| ECP | Equipment Change Proposal |
| ECP | Emergency Command Precedence/Procedure |
| ECP | Environmental Control Processor |
| ECP | Equipment Collection Point |
| ECP | Excessive Cross-Post(ing) (newsgroups) |
| ECP | East Capitol Pensionne (Cebu, Philippines) |
| ECP | Electric Cooling Pump |
| ECP | Emergency Change Proposal |
| ECP | Emergency Cleanup Powder |
| ECP | Exception Report Collection Process (Sprint) |
| ECP | Environment Compliance Plan |
| ECP | European Chiefs of Police |
| ECP | Extended Care Paramedic (NSW, Australia) |
| ECP | Electronic Product Codec |
| ECP | Expected Coverage Plan |
| ECP | Excepted Coverage Plan |
| ECP | Equivalent Component Pair |
| ECP | External Compliance Plan |
| ECP | Electronic Change Permit |
| ECP | Eject Chamber Pressure |