| ORE | Object Referring Expression 
| Others |
| ORE | Object Reuse and Exchange
| Others |
| ORE | Ocean and Resources Engineering
| Others |
| ORE | Ocean Reserve Extraction
| Others |
| ORE | Off Road Engineering
| Others |
| ORE | Off Road Equipment
| Others |
| ORE | Off Road Experience
| Others |
| ORE | Office Resources and Equipment
| Others |
| ORE | Official Residence Expense
| Others |
| ORE | Offshore Renewable Energy
| Others |
| ORE | Ohio Reference Excellence
| Others |
| ORE | On Road Emissions
| Others |
| ORE | On-Orbit Repair Experiment
| Others |
| ORE | Online Roleplaying Enginie
| Others |
| ORE | Online Rpg Engine
| Others |
| ORE | Ontology Repair And Enrichment
| Others |
| ORE | Openly Rational Eskimos
| Others |
| ORE | Operational Readiness Evaluation
| Others |
| ORE | Orange Municipal Airport, Orange, Massachusetts USA
| Others |
| ORE | Ordo Rosarius Equilibrio
| Others |
| ORE | Oregon Rockhounds Online
| Others |
| ORE | Ottawa Robotics Enthusiasts
| Others |
| ORE | Outer Ring Excavations
| Others |
| ORE | Overseas Registration Exam
| Others |
| ORE | OWL Reasoner Evaluation
| Others |
| ORE | Owned Real Estate
| Others |
| ORE | Owner Requested Euthanasia
| Others |