IOP may refer to:
Organizations Institute of Optronics, a Pakistani technical organization Institute of Physics, London-based professional association for physicists IOP Publishing, its publishing company Institute of Physics, Bhubaneswar, an Indian research institute Institute of Psychiatry, Psychology and Neuroscience, a school of King's College London, England, previously known as Institute of Psychiatry (IoP) Institute of Play, an American educational corporation
Science and technology UGV Interoperability Profile Cromemco IOP, an input/output processor S-100 card Intraocular pressure, the fluid pressure inside the eye Intensive outpatient program, a rehabilitation therapy
Other uses Independent Olympic Participant: IOC country code Isle of Palms, South Carolina, US Italian occult psychedelia, a subgenre of Italian psychedelic music Industry on Parade, 1950s era sponsored television series of films
See also
Institute of Physics (disambiguation) Institute of Politics (disambiguation) IOPS, input/output operations per second