Sopa or SOPA may refer to:

  • Stop Online Piracy Act, a controversial proposed U.S. Internet legislation that never passed the senate
  • Senior Officer Present Afloat, a term used in the U.S. Navy
  • Sydney Olympic Park Authority, managers of Sydney Olympic Park
  • Socialist Party of Azania, a political party in South Africa
  • School of Performing Arts Seoul, an arts high school in Seoul, South Korea