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, orders of insects that provide an indication of 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 Estrogen Progestin Therapy, a Hormone replacement therapy European Poker Tour Excess profits tax, a tax on returns or profits which exceed risk-adjusted normal returns Hellenic Broadcasting Corporation (), the public broadcaster of Greece Tunisia Polytechnic School (French: )