Abbreviations beginning with i

IOSMInter-Operator Short Message (mobile technology)
Miscellaneous

IOSMIndian Ocean Summer Monsoon
Regional

IOSMEIowa Office of the State Medical Examiner
Governmental

IOSMSInter-Operator Short Message Service
Business

IOSNIndian Ocean Standard Network
Academic & Science

IOSNInternational Open Source Network (United Nations Development Programme)
Community

IOSNItalian Open Source Network (computing)
Community

IOSNIndian Open Schooling Network
Miscellaneous

IOSOIncrease Oscillation and Sustain Oscillation
Academic & Science » Physics

IOSOIraqi Open Source Organization
Community

IOSOTInternational Organization for the Study of the Old Testament
Miscellaneous

IOSPInfectious Osteomyelitis of the Symphysis Pubis (bone disease)
Academic & Science

IOSPInstytut Organizacji Systemow Produkcyjnych (Polish: Institute of Organization Systems)
Academic & Science

IOSPIntegrative and Organ Systems Pharmacology (course; various locations)
Academic & Science

IOSPInput Output Server Processor
Computing » IT

IOSPInternational Order of the Sword and the Pen
Miscellaneous

IOSPIrrigation Operations Support Project (World Bank)
Miscellaneous

IOSPEInternet Orchid Species Photo Encyclopedia (website)
Governmental

IOSPEInscriptiones Orae Septentrionalis Ponti Euxini (Latin: Ancient Inscriptions of the Northern Black Sea Coast; research project)
Miscellaneous

IOSPIInteractive Observation Scale for Psychiatric Inpatients
Academic & Science