Re or RE may refer to:

Arts, media and entertainment

* '' ...Re'', a 2016 Indian Kannada-language film * '' Realencyclopädie der classischen Altertumswissenschaft'', a German encyclopedia of classical scholarship * '' Resident Evil'', a horror game franchise

Music

* Re, the second syllable of the scale in solfège ** D (musical note) or Re, the second note of the musical scale in ''fixed do'' solfège * Re: (band), a musical duo based in Canada and the US

Albums

* ''Re'' (Café Tacuba album) * ''Re'' (Les Rita Mitsouko album) * '' Re.'', by Aya Ueto * ''Re:'' (EP), by Kard

Language

* ''re'' (interjection), in Greek * Re (kana) (れ and レ), Japanese syllables * '' In re'', Latin for 'in the matter of...' ** RE: and Re:, a standard email subject line prefix

Organisations

* Renew Europe, a political group in the European Parliament * Renovación Española, a former Spanish monarchist political party * Royal Engineers, a part of the British Army * Royal Society of Painter-Printmakers, whose fellows may use the Post-nominal letters RE * Stobart Air (former IATA code: RE), a former Irish regional airline

Places

* Re, Norway, a former municipality in Vestfold county * Re, Vestland, a village in Gloppen municipality, Vestland county, Norway * Re, Piedmont, an Italian municipality * Île de Ré, an island off the west coast of France ** Le Bois-Plage-en-Ré, a commune on that island * Re di Anfo, a torrent (seasonal stream) in Italy * Re di Gianico, Re di Niardo, Re di Sellero, and Re di Tredenus, torrents in the Val Camonica, Lombardy, Italy *

Réunion Réunion (; ; ; known as before 1848) is an island in the Indian Ocean that is an overseas departments and regions of France, overseas department and region of France. Part of the Mascarene Islands, it is located approximately east of the isl ...

(ISO 3166-1 code), a French overseas department and island in the Indian Ocean

Science and technology

* Effective reproduction number, in epidemiology * Relative effectiveness or RE factor, of an explosive's demolition power * Reynolds number (), a dimensionless quantity in fluid mechanics used to help predict flow patterns * Rhenium (symbol Re), a chemical element * Reference pressure (Re), as sound pressure level * Reference pressure (Re), in underwater acoustics

Computing and mathematics

* RE (complexity) (recursively enumerable), a complexity class of decision problems ** Recursively enumerable (r.e.), in computability theory * Regular expression, a sequence of characters to match text against a specified pattern * Re function, in mathematics, where Re(''z'') denotes the real part of a complex number ''z'' * .re, the Internet country code top-level domain for Réunion

People

* Ré (futsal player), Portuguese futsal player * Andrea Re (born 1963), Italian rower * Cayetano Ré (1938–2013), Paraguayan footballer * Christopher Ré, American computer scientist * Davide Re, Italian runner * Germán Ré, Argentine footballer * Giovanni Battista Re (born 1934), Italian cardinal * Maximiliano Ré, Argentine-Italian footballer * Paul Ré, American artist and writer * Savannah Ré, Canadian singer-songwriter * Vincenzo Re, Italian scenic designer

Other uses

* Religious education (RE), the study of religion * Re (Egyptian religion), an ancient Egyptian god * Regional-Express, a type of regional train in Germany, Luxembourg and Austria