OTOP
| Acronym | Definition |
|---|---|
| OTOP | One Tambon One Product (Thailand) |
| OTOP | Office of Technology Operations and Planning |
| OTOP | Ogólnopolskie Towarzystwo Ochrony Ptaków (Poland) |
| OTOP | Off Tool Off Process (automotive engineering) |
| OTOP | Office of Technology Operations and Planning (US EPA) |
| OTOP | Opiate Treatment Outpatient Program (San Francisco, CA) |
| OTOP | On the Other Paw (slang) |