English abbreviations from osi to osp
- OSI(Open Source Initiative)
- OSIA((U.S.) On-Site Inspection Agency)
- OSII(Operating System Interface Infrastructure)
- OSIM(Open Society Institute Montenegro)
- OSIRIS(Optical, Spectroscopic, and Infrared Remote Imaging System (astronomical system on the Rosetta spacecraft))
- OSIRM(OSI Reference Model)
- OSIS(Open Source Information System)
- OS-JTF(Open Systems _ Joint Task Force)
- OSK(Oskarshamn Airport)
- OSL(Open Source License||Optically Stimulated Luminescence||Orbiting Solar Laboratory)
- OSLA(Oklahoma Student Loan Authority)
- OSM(One Saturday Morning)
- O.S.M.(Ordo Servorum Mariae (Servites))
- OSMA(On-Site Maintenance Agreement)
- OSN(Orion Syndicate Network)
- OSNS(Open Systems Network Support)
- OSOSS(Open Standards and Open Source Software)
- OSOTPBOIAS(One Sec, On The Phone, Be Off In A Sec)
- OSP(Off Street Parking)
