| Acronym | Definition |
|---|
| ORI➣Operational Readiness Inspection |
| ORI➣Orientation |
| ORI➣Office of Research Integrity (HHS) |
| ORI➣Old Republic International Corporation (stock symbol) |
| ORI➣Origin of Replication |
| ORI➣Oficina de Relaciones Internacionales |
| ORI➣Oriental Research Institute (India) |
| ORI➣Open Source Research Institute |
| ORI➣or Immediate |
| ORI➣Operational Risk Index |
| ORI➣Oregon Research Institute |
| ORI➣Orthopaedic Research Institute (Wichita, KS) |
| ORI➣Ocean Research Institute |
| ORI➣Oncology Research Institute (various locations) |
| ORI➣Originating Agency Identifier (nine-digit code used by agencies on the law enforcement network) |
| ORI➣Orthorectified Radar Image |
| ORI➣Octane Requirement Increase |
| ORI➣Omnichannel Readiness Index |
| ORI➣Open Rivers Initiative (National Oceanic and Atmospheric Administration) |
| ORI➣Online Retrieval Interface |
| ORI➣Oxford Research International |
| ORI➣Office of Research and Inventions (US Navy) |
| ORI➣Official Records Index (Florida) |
| ORI➣Open Ranks Inspection |
| ORI➣Orbital Replacement Instrument |
| ORI➣Open on Rise of Inlet (pressure valve) |
| ORI➣Operator-Robot Interaction |
| ORI➣Obesity Research Institute, LLC |
| ORI➣Outdoor Restrooms Incorporated (Missouri) |
| ORI➣Overhaul/Repair Instruction |