Res or RES may refer to:
Sciences
Computing
- Reddit Enhancement Suite
- Russian and Eurasian Security Network
- Spanish Supercomputing Network (Red Española de Supercomputación)
Energy
- Renewable energy source
- RES - The School for Renewable Energy Science
- US Renewable Electricity Standard
- Renewable Energy Systems, a UK company
Mathematics
- Residue (complex analysis), in mathematics
Medicine
- Reticuloendothelial system, a system of specialised cells that effectively clear colloidal vital stains from the blood circulation
Archaeology
- Répertoire d'Épigraphie Sémitique, a journal publishing Semitic language inscriptions
Latin word meaning "thing"
- Entity (disambiguation)
- Object (philosophy)
- The first word of several Latin phrases:
- Res divina (service of the gods)
- Res extensa Descartes' physical world
- Res gestae (Things done)
- Res inter alios acta (A thing done between others)
- Res ipsa loquitur (The thing speaks for itself)
- Res judicata (A matter [already] judged)
- Res nullius (An unowned thing)
- Res publica (A public thing), the origin of the word republic
Organizations
- Railway Enthusiasts Society, New Zealand
- Royal Economic Society, UK
- Royal Entomological Society
Places
- Resistencia International Airport (IATA airport code: RES)
People
- Res (singer), American singer
Arts, entertainment, and media
- RES (magazine), bimonthly
Other uses
- RES (currency), a local currency used in Belgium, France, and Spain
See also
- RE5 (disambiguation)
- Rez (disambiguation)