| Acronym | Definition |
|---|
| EOR | Enhanced Oil Recovery |
| EOR | Exporter of Record (shipping) |
| EOR | End of Record |
| EOR | Emergency Operating Room (various locations) |
| EOR | End of Report |
| EOR | End of Round (gaming) |
| EOR | End of Row |
| EOR | Ethernet over Rpr |
| EOR | Exclusive or |
| EOR | Essence of Recovery (alcoholism website) |
| EOR | European Organization for Research |
| EOR | Electric Orbit Raising (satellites) |
| EOR | Eye of Round (meat) |
| EOR | Element Occurrence Record (biotics) |
| EOR | Engineer of Record |
| EOR | Earth Orbit Rendezvous |
| EOR | End of Run (US Postal Service) |
| EOR | End of Range |
| EOR | End of Rant (e-mail, newsgroups, etc.) |
| EOR | End of Run (Oil Refining) |
| EOR | East of the River |
| EOR | End of Runway |
| EOR | Equal Opportunity Representative (US Army) |
| EOR | Explanation Of Review |
| EOR | Ente Operador Regional (Spanish: Regional Operator Entity) |
| EOR | Explosive Ordnance Reconnaissance |
| EOR | Employer of Record |
| EOR | Élève-Officier de Réserve (French: Cadet Reserve Officer) |
| EOR | Element Of Resource |
| EOR | Epping-Ongar Railway (UK) |
| EOR | Exclusive Or Gate |
| EOR | Expertise et Optimisation Retraite (French: Expertise and Optimization Retreat) |
| EOR | Evidence of Receipt |
| EOR | End of RIB |
| EOR | End of Retransmission |
| EOR | Engage on Remote |
| EOR | Emmons & Olivier Resources, Inc (Oakdale, MN) |
| EOR | End of Ramp |
| EOR | Explanation of Reimbursement (medical insurance) |
| EOR | Explosive Ordnance Recognition |
| EOR | Enterprise of Responsibility |
| EOR | Enterprise Organizational Readiness |
| EOR | Engage Order Remote |
| EOR | End of the Road/Route |
| EOR | Equipment Operational Readiness |
| EOR | Effective Operational Radius |
| EOR | Equipment Operationally Ready |
| EOR | Eastern Ontario Regiment (Canada) |
| EOR | Engineering Order Request |