English abbreviations from oss to osw-usaf
- OSS(Operations Support Squadron)
- OSS (USAF)(Operational Support Squadron)
- OSSA(On- Site Service Agreement)
- O.SS.C.(Oblati Sacratissimi Cordis ("Oblate Fathers of the Sacred Heart"))
- OSSD(Organization for the Study of Sex Differences)
- OSSE((instrumentation) Oriented Scintillation Spectrometer Experiment, an instrument on the Compton Gamma Ray Observatory)
- OSSI(Operating Systems Support and Integration)
- OSS-RC(Operations Support System - Radio and Core)
- OSSS(Office of Student Support Services)
- OSSTF(Ontario Secondary School Teachers' Federation)
- OSSV(Open Systems SnapVault)
- OST(Ostend-Bruges International Airport)
- OSTC(Open System Testing Consortium)
- OSTG(Open Source Technology Group)
- OSU(Ohio State University||Oklahoma State University)
- OSURG(Office of the Surgeon)
- OSUT(On-Site User Test(ing))
- OSV(Offset Scan Voting)
- OSVA(Off-Site Vital Area)
- OSW(Objective Sniper Weapon)
- OSW (USAF)(Operational Support, Weather)
