Rep, as a word, may refer to:

  • Rep (fabric), a ribbed woven fabric made from various materials.
  • Johnny Rep, a Dutch former footballer.

Rep, REP or rep, as an abbreviation or acronym, may refer to:

  • Rab escort protein
  • Radioisotope electric propulsion
  • Reasonable expectation of privacy, a legal test in United States constitutional law.
  • Rede dos Emissores Portugueses, an amateur radio organization based in Portugal.
  • Régiment Étranger de Parachutistes, a French Foreign Legion parachute unit.
  • REP, an x86 assembly language instruction (abbreviation of repeat).
  • Repertory theatre
  • Repetition (disambiguation)
  • Representative (disambiguation)
  • Republic
  • Republicans for Environmental Protection, a United States Republican Party organization which supports environmental protection policies.
  • Reputation
  • Resident Evil Portable, a video game for the PlayStation Portable from the Resident Evil franchise.
  • Retail Electricity Provider, a retailer of electric power services in the United States (particularly Texas) and other jurisdictions.
  • Robert Esnault-Pelterie, an early French aircraft manufacturer.
  • Robot Exclusion Protocol
  • Routledge Encyclopedia of Philosophy
  • Röntgen equivalent physical, a unit of exposure to radiation.
  • The IATA airport code for Siem Reap International Airport in Cambodia.
  • The Republicans (Germany), a political party in Germany.