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DORIS may refer to:

  • DORIS III, third incarnation of the Doppel-Ring-Speicher, a storage ring for particles at the Deutsches Elektronen-Synchrotron (DESY)
  • DORIS (geodesy), or Doppler Orbitography and Radiopositioning Integrated by Satellite, a French satellite system used for the determination of satellite orbits and for positioning