English abbreviations from ocmb to ocr
- OCMB(Oberlin College Marching Band)
- OCMC(Orthodox Christian Mission Center)
- OCMCC([2] Orchard County MCC)
- OCMCI(Orthodox Christian Mission Center, Inc.)
- OCMH(Oneida Community Mansion House)
- OCN(Oncology Certified Nurse)
- OCNA(Ontario Community Newspapers Association)
- OCNB(Office of the Chief, National Guard Bureau)
- OCNM(Oklahoma City National Memorial)
- OCNMT(Oklahoma City National Memorial Trust)
- OCO(Oort Cloud Object)
- OCOKA(Observation and fields of fire, Cover and concealment, Obstacles, Key terrain, and Avenues of Approach.)
- OCONUS(Outside the Continental United States)
- O-CONUS(Outside Continental United States)
- OCOP(Outline Contingency Operation Plan)
- OCP(Official Community Plan)
- OCPA(Office of the Chief of Public Affairs)
- OCPP(Oshkosh Community Playground Project)
- OCR(Office of Collateral Responsibility)
- O.C.R.(Ordo Reformatorum Cisterciensium (Cistercians, Trappists))
