| Acronym | Definition |
|---|
| OCIS | Oxford Centre for Islamic Studies (UK) |
| OCIS | Office of Court Interpreter Services (Boston, MA) |
| OCIS | Organized Crime Information System |
| OCIS | Office of Cyber and Information Security (US VA) |
| OCIS | On Call Internet Services (Canada) |
| OCIS | Oklahoma Court Information System (Oklahoma States Courts Network) |
| OCIS | Optics Classification and Indexing Scheme |
| OCIS | On-Line Customer Information System |
| OCIS | OSHA (Occupational Safety & Health Administration) Computerized Information System (US DOL) |
| OCIS | Observatoire et Conservatoire des Insectes du Sénégal (French: Monitoring and Conservation of Insects of Senegal) |