English abbreviations from osd to osi
- OSD(U.S. Office of the Secretary of Defense|| On-screen Display)
- OSDA(Old School Derby Association)
- OSDH(Optical Shubnikhov-DeHaas effect)
- OSDL(Open Source Development Labs)
- OSDN(Open Source Developer Network)
- OSE(Own Separate Entrance)
- OSEP(Office of Special Education Programs)
- OSERA(Ohio Scientific Education and Research Association)
- OSERS(U.S. Department of Education Office of Special Education and Rehabilitative Services)
- OSETI(Optical SETI also Optical SETI)
- OSF(Ostafyevo International Airport)
- OSFB(Oregon School for the Blind)
- O.S.F.C.(Ordinis Sancti Francisci Capuccini (Franciscan Capuchins))
- OSFC(Ohio Select Futbol Club)
- O.S.F.S.(Oblati Sancti Francisci Salesii (Oblate Fathers of St. Francis of Sales))
- OSG(Object Systems Group)
- OSGA(Ontario Senior Games Association)
- OSGCC(Owen Sound Golf and Country Club)
- OSGi(Open Source Gateway intiative)
- OSGP(Ohio Supercomputer Graphics Project)
- OSH(Wittman Regional Airport)
- O.S.H.(Ordo [Eremitarum] Sancti Hieronymi (Hieronymites))
- OSHA(Occupational Safety and Health Administration)
- OSHC(Outside School Hours Care)
- OSHCC(Outside School Hours Care Center)
- OSHCCs(Outside-School-Hours Care Centers)
- OSI(Open Source Initiative)
