ECP may refer to:
Military Early Commissioning Program, a United States Army ROTC program offered by Military Junior College Entry Control Point, an established entry and exit point that is a part of layered security used to gain access to Forward Operating Bases (FOBs).
Organizations École Centrale Paris, a French university Emerging Capital Partners, a private equity firm English College in Prague, a Czech high school English Collective of Prostitutes, a feminist group Episcopal Church in the Philippines, an autocephalous province of the Anglican Communion in the Philippines
European Committee for the Prevention of Torture Evangelical Churches of Pentecost, a Pentecostal denomination which merged with the Apostolic Churches of Pentecost
Science and technology Effective Core Potential, a term in computational chemistry Electrochemical corrosion potential, an electrode potential with a non-zero net reaction on the working electrode but zero net current Electrochemical potential, a thermodynamic measure of chemical potential that includes the energy contribution of electrostatics Eastman Color Positive, a photographic processing system Electronic Communications in Probability, a scientific journal
Engineering Change Proposal, see Beretta APX Enhanced Content Protection, see MovieLabs
Computing Electronic Check Processing, in electronic banking Extended Capability Port, an IEEE 1284 parallel port mode Equivalence class partitioning, a software testing technique Exascale Computing Project, a U.S. project to accelerate an exascale computing ecosystem Excessive crossposts, a form of Usenet spam, see also Breidbart Index
Medicine Eosinophil cationic protein, a basic protein in the eosinophil primary matrix, encoded in humans by the RNASE3 gene Emergency Care Practitioner, a type of paramedic or nurse Emergency contraceptive pill, a type of contraception also known as morning-after pill Endoscopic CycloPhotocoagulation, a minimally invasive treatment for the management of glaucoma Extracorporeal photopheresis, a therapy in which blood is treated with a photosensitizing agent and subsequently irradiated with light External counterpulsation, a non-invasive therapy used to treat chronic angina and other ischemic heart diseases Eye Care Professional, an individual who provides a service related to the eyes or vision European Certificate of Psychotherapy, awarded by the European Association for Psychotherapy
Transportation East Coast Parkway, a major highway in the south-east of Singapore Electronically controlled pneumatic brakes, a type of railway brake Energlyn & Churchill Park railway station, with station code ECP Northwest Florida Beaches International Airport (IATA: ECP), near Panama City Beach, Florida, US
Other uses Economic calculation problem, an economic term that refers to fallacies in economic planning Election Commission of Pakistan Empty category principle, a syntactic constraint in theoretical linguistics East Coast Park, a beach and park in Singapore Extreme corporal punishment, a fictional English band in the movie SLC Punk!