Found 1 abbreviations in 2 groups
| OPS-O: Meaning | Category |
| OPS-O | Operations officer | Navy |
Abbreviations similar to opso
- OBS - Omnibearing selector
- OFSA - Objective Family of Small Arms
- OFS - Out Freaking Standing (polite)
- OVC - orphans, vulnerable children
- OBJ - Objective (military parlance)
- OBX - Outer Banks (North Carolina)
- OPAC - Online Public Access Catalogue
- OPCW - Organisation for the Prohibition of Chemical Weapons
- OPEC - Organization of Petroleum Exporting Countries
- OPS - On-base plus slugging (baseball statistics)
- OPSI - Overwhelming post splenectomy infection
- OPC - Oropharyngeal candidiasis
- OPCA - Olivopontocerebellar atrophy
- OBCS - Ocean Bottom Cable System
- OVCH - Oversize Charts
