EP, or Ep may refer to:
The Episcopal Church (TEC) is the United States-based member church of the worldwide Anglican Communion.
Epilepsy is a group of neurological disorders characterized by epileptic seizures. Epileptic seizures are episodes that can vary from brief and nearly undetectable to long periods of vigorous shaking.
Epistemology (/ᵻˌpɪstᵻˈmɒlədʒi/; from Greek ἐπιστήμη, epistēmē, meaning 'knowledge', and λόγος, logos, meaning 'logical discourse') is the branch of philosophy concerned with the theory of knowledge.
Epigenetics are stable heritable traits (or "phenotypes") that cannot be explained by changes in DNA sequence.
Epinephrine, also known as adrenalin or adrenaline, is a hormone, neurotransmitter and medication. Epinephrine is normally produced by both the adrenal glands and certain neurons.
Ephedrine is a medication and stimulant. It is often used to prevent low blood pressure during spinal anesthesia.
Epidemiology is the study and analysis of the patterns, causes, and effects of health and disease conditions in defined populations.
The Epstein–Barr virus (EBV), also called human herpesvirus 4 (HHV-4), is one of eight known viruses in the herpes family, and is one of the most common viruses in humans.
Epiphany (/ɪˈpɪfəni/ ə-PIFF-ə-nee), also Theophany or Three Kings' Day, is a Christian feast day that celebrates the revelation of God incarnate as Jesus Christ.