Res
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 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
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
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)