| Acronym | Definition |
|---|
| OCCI➣Oracle C++ Call Interface (computer programming) |
| OCCI➣Oracle C++ Call Interface |
| OCCI➣Open Cloud Computing Interface (network protocol) |
| OCCI➣Oman Chamber of Commerce and Industry (Oman; est. 1973) |
| OCCI➣Oregon Coast Culinary Institute (Coos Bay, OR) |
| OCCI➣Osaka Chamber of Commerce and Industry (Osaka, Japan) |
| OCCI➣Ocean and Climate Change Institute (Woods Hole Oceanographic Institution; Massachusetts) |
| OCCI➣Olds College Centre for Innovation (agriculture; est. 1999; Alberta, Canada) |
| OCCI➣Ontario Case Costing Initiative (Ontario, Canada) |
| OCCI➣Oregon Center for Clinical Investigations, Inc |
| OCCI➣Oakland Car Club International (Dearborn, MI) |