English abbreviations from occb to ocfi
- OCCB (Office of Community Capacity Building)
- OCCC (Oahu Community Correctional Center)
- OCCH (Office of the Chief of Chaplains)
- OCCS (Off Campus and Commuter Services)
- OCD (Obsessive-Compulsive Disorder)
- O.C.D. (Ordo Carmelitarum Discalceatorum (Discalced, or Barefoot, Carmelites))
- OCDE (Ohio Commons for Digital Education)
- OCDEFT (Organized Crime Drug Enforcement Task Force)
- OCDR (Organizing Committee for the Defence of the Revolution)
- OCE (Ocean City Municipal Airport (FAA: OXB))
- OCEAN (Olin Chemical Emergency Action Network)
- OCEANCON (Control of Oceanographic Information)
- OCED (Office of Cultural Enhancement and Diversity)
- OCEM (Okeechobee County Emergency Management)
- OCET (Office of Continuing Education & Training)
- OCF (Ocala International Airport (Jim Taylor Field))
- OCFA (Ontario Cemetery Finding Aid)
- OCFI (Obsessive Compulsive Foundation, Inc.)