EPT may refer to: Science and technology Extended Page Table, in Intel x86 microprocessors Ethanolaminephosphotransferase, an enzyme Ethylpropyltryptamine, a psychedelic drug Ephemeroptera, Plecoptera, and Trichoptera, used to test water quality Other uses CaMLA English Placement Test, a language proficiency test Effective performance time, in aviation medicine Electroputere, a Romanian rolling stock manufacturer Epsilon Pi Tau, an honor society European Poker Tour Estrogen Progestin Therapy, a Hormone replacement therapy Hellenic Broadcasting Corporation (), the public broadcaster of Greece Tunisia Polytechnic School (French: )