MRE (disambiguation)
MRE is a "Meal, Ready-to-Eat".

MRE may also refer to:

 European Republicans Movement (), a social-liberal political party in Italy
 Magnetic resonance elastography, a non-invasive medical imaging technique
 Magnetorheological elastomer, a class of solids that consist of a polymeric matrix with embedded micro- or nano-sized ferromagnetic particles
 Managed runtime environment, a type of virtual machine that runs as a normal application inside a host OS and supports one process
 Master of Religious Education, a terminal academic degree in preparation for professional teaching ministry
 Ministry of Foreign Affairs (Brazil) (), the governmental body that conducts Brazil's foreign relations with other countries
 Maritime Republic of Eastport, a micronation in Maryland
 Minimal reproducible example, a software debugging technique
 Martha's Vineyard Sign Language (ISO 639 code mre)