English abbreviations from oilrig to oj
- OILRIG(Oxidation Is Losing, Reduction Is Gaining)
- OILS(Open Integrated Learning System)
- OIM(Offshore Installation Manager)
- OIN(Oversight Information Network)
- OINP(Over Issue News Paper)
- OIO(Object Input/ Output)
- OIO&T(Ohio Institute of Photography and Technology)
- OIOC(Oriental & India Office Collections (in the British Library))
- OIP(Open Internet Platform)
- OIPE(Office of Institutional Planning and Effectiveness (Western Carolina University))
- OIQ(Olympia Institute Quarterly)
- OIR(Okushiri Airport)
- OIRA(Office of Information and Regulatory Affairs)
- OIRT(Organisation International de Radio et Télévision)
- OIS(Obstacle identification surface)
- OISC(One Instruction Set Computer)
- OISE(Ontario Institute for Studies in Education (University of Toronto))
- OISS(Office for International Students and Scholars)
- OIT(Oita Airport)
- OITD(Office of International Training and Development (Clark Atlanta University))
- OIU(Operator Interface Unit)
- OIV(Organizzazione Internazionale della Vigna e del Vino (International Organisation of Vine and Wine))
- OIW(Our Indian Wards (by George W. Manypenny, published in 1880))
- OIZ(Bizerte-Sidi Ahmed Air Base)
- oj(Anishinaabe language (Ojibwa) (ISO 639-1 code))
