| Acronym | Definition |
|---|
| MRE | Mineral Resource Estimate (various companies) |
| MRE | Meal, Ready-To-Eat |
| MRE | Ministerio de Relaciones Exteriores (Guatemala) |
| MRE | Minimal Reproducible Example (coding) |
| MRE | Marriage and Relationship Education (various organizations) |
| MRE | Mine Risk Education |
| MRE | Market Research Executive (various companies) |
| MRE | Meals Rejected by Ethiopians |
| MRE | Magnetorheological Elastomer (materials) |
| MRE | Major Roads of Europe (maps) |
| MRE | Mazda Market Research and Technology Development Center of Europe |
| MRE | Movimento Repubblicani Europei (Italian: European Republicans Movement) |
| MRE | Master of Real Estate |
| MRE | Magnetic Resonance Elastography (scan) |
| MRE | Motorcycle Rider Education (various organizations) |
| MRE | Major Research Equipment |
| MRE | Market Rate of Exchange |
| MRE | Master of Religious Education (college degree) |
| MRE | Mission Rehearsal Exercise |
| MRE | Mean Relative Estimation Error |
| MRE | Metal Response Element (DNA) |
| MRE | Military Rules of Evidence |
| MRE | Mission Readiness Exercise |
| MRE | Meals Refused by Ethiopians |
| MRE | Magnitude of Relative Error |
| MRE | Managed Reporting Environment (Knowledge Management) |
| MRE | Most Recent Episode (medicine) |
| MRE | Milieudienst Regio Eindhoven (Dutch: Eindhoven Environmental Region; Netherlands) |
| MRE | Maintenance, Repair and Environmental |
| MRE | Mining Research Establishment |
| MRE | Mode Request |
| MRE | Magneto-Resistive Element |
| MRE | Misión Revolución Energética (Spanish: Energy Revolution Program; Venezuela) |
| MRE | Maven, Relater, Evangelist (from The Human Fabric by Bijoy Goswami) |
| MRE | Multiply Resistant Enterococci |
| MRE | Military Records Envelope |
| MRE | Material Requirement External |
| MRE | Multiple Representation Environment |
| MRE | Midwest Renewable Energy |
| MRE | Mono-Propellant Rocket Engine |
| MRE | Message Reference File |
| MRE | Multifunction RADIAC Equipment |
| MRE | Mid-Range Estimate |
| MRE | Market Rate Equity |
| MRE | Majority Rule Equilibrium |
| MRE | MicroRNA (Ribonucleic Acid) Response Element (molecule) |