POR may refer to:

  • Punk-O-Rama, a series of compilations by Epitaph Records
  • P450 oxidoreductase
  • Country code for Portugal
  • Power-on reset
  • Principle of Relativity
  • Castlevania: Portrait of Ruin
  • Fire Emblem: Path of Radiance
  • Pori Airport, Finland; IATA airport code POR
  • Porth railway station, Wales; National Rail station code POR
  • Portland Trail Blazers, an NBA team in the Northwest Division
  • Portland, Maine (Amtrak station), United States; Amtrak station code POR
  • Por, a J-pop group that Momo (Hitomi Momoi) and her partner Ryo formed
  • Plan of Record, abbreviation
  • The Party of the Right (Yale) of the Yale Political Union
  • Party of Regions, a Ukrainian political party
  • Party of the Right (disambiguation), various organizations
  • Revolutionary Workers' Party (Bolivia) commonly referred to by its Spanish initials POR