| Acronym | Definition |
|---|
| OCCU➣Our Community Credit Union (est. 1941; Shelton, WA) |
| OCCU➣Oklahoma Central Credit Union |
| OCCU➣Ocean Crest Credit Union (Long Beach, CA) |
| OCCU➣Oakland County Credit Union (Michigan) |
| OCCU➣Occlusion Culling Unit |
| OCCU➣Open Circuit Check Unit |