Res or RES may refer to:
Sciences
Computing
- Russian and Eurasian Security Network
- Spanish Supercomputing Network (Red Española de Supercomputación)
Energy
- RES - The School for Renewable Energy Science
- US Renewable Electricity Standard
- Renewable Energy Systems, a UK company
Mathematics
- Residue (complex analysis) function
Medicine
- Reticuloendothelial system, in anatomy
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 cogitans, Descartes' mental world
- Res communis, a thing that is owned in common
- 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
- Rail Express Systems, a mail service of British Rail
- Railway Enthusiasts Society, New Zealand
- Royal Economic Society, London, a learned society
- Royal Entomological Society, London, a learned society
Places
- Reservoir railway station, Melbourne
- Resistencia International Airport (IATA airport code: RES)
People
- Res (singer), American singer
Arts, entertainment, and media
Literature
- RES (magazine), bimonthly
Music
Songs
- "R.E.S.", a song by Cardiacs from The Seaside
- "The Res", a song by the American band Bright from their self-titled album
See also
- RE5 (disambiguation)
- Rez (disambiguation)