SEP

Sep or SEP may refer to:

Abbreviations

 * September
 * Septentrional (borrowed from Latin meaning northern, or pertaining to the north)

Military

 * ORP Sęp (1938), a Polish Navy submarine until 1972
 * ORP Sęp (2002), a Polish Navy submarine
 * Splitterskyddad EnhetsPlattform, a Swedish armoured fighting vehicle

People

 * Sep (given name)
 * Hrvoje Sep (born 1986), Croatian boxer

Politics and government

 * Secretariat of Public Education (Mexico) (Secretaría de Educación Pública)
 * Specialna Enota Policije, a Slovenian National Police unit
 * SEP law, Chile
 * Socialist Equality Party (disambiguation), various Trotskyist political parties
 * Samajik Ekta Party, Haryana, India

Science and technology

 * Polyestriol phosphate, an estrogen medication
 * Signaling End Point, in telecommunications switching
 * Solar Electric Propulsion, of a spacecraft
 * Solar energetic particles
 * Somatosensory evoked potential, brain activity from touch
 * Stanford Exploration Project, for seismic imaging of the Earth
 * Standard electrode potential
 * IS-1 Sęp, a 1947 Polish glider
 * Somatic Experiencing Practitioner, a title used in a form of alternative psychotherapy

Other uses

 * Stanford Encyclopedia of Philosophy
 * SEP-IRA, a US pension
 * Sęp, Świętokrzyskie Voivodeship, a village in Poland
 * Somebody else's problem
 * Standard-essential patent, for an invention needed to meet a standard
 * Syringe exchange program or needle exchange
 * Summer Enrichment Program (University of Colorado), for gifted children
 * Society for European Philosophy, an academic society for the study of Continental philosophy