IOP

IOP is a three-letter acronym or initialism which may refer to:

• Inanimate Objects Party, an absurdist political party at the Rensselaer Polytechnic Institute
• Institute Of Optronics, a technical organization under Ministry of Defence Production, Government of Pakistan
• Institute of Physics, a British professional association for physicists
• Institute of Physics, Bhubaneswar, India, a research institute in India.
• Institute of Psychiatry, part of Kings College London
• Intraocular pressure, a measure of fluid pressure in the eye
• Inherent Optical Properties
• Independent Olympic Participant, the label given to athletes who competed under the Olympic Flag in the 1992 Summer Olympics
• Invasion of privacy
• Institute of Politics
• Intensive Outpatient Program, a rehabilitation therapy most commonly used to treat chemical dependency
• Institute of Packaging a British institute for the packaging profession
• Institute of Overseas Pakistanis
• Isle of Palms, South Carolina, an island off the coast of South Carolina

In computer technology:

• Integrated Optics Package – see integrated optical circuit
• I/O processor
• Input Output Process – see SCSI
• Individual Operations – see Instruction (computer science)
• Interoperability