IOP

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