OCCU
| 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 |