BES or Bes may refer to:

• Bes, Egyptian deity

• Bes (coin), Roman coin denomination

• Bes (Marvel Comics), fictional character loosely based on the Egyptian deity

Abbreviations

• Bachelor of Environmental Studies, a degree

• Banco Espírito Santo, a Portuguese banking group

• Beryllium sulfide, formula BeS

• The BES Islands (Bonaire, Sint Eustatius, Saba) forming the Caribbean Netherlands

• BES III, Beijing Spectrometer III, particle physics experiment

• BlackBerry Enterprise Server, software

• Brest Bretagne Airport, France, IATA code

• Bloodstream expression site, a transcription unit in a genome

• British Election Study

• British Ecological Society, a learned ecology society founded in 1913

People

• Cristina Bes Ginesta (born 1977), Catalan ski mountaineer

• Maria Elisabeth Bes (1882–1938), Dutch chemical engineer and city councillor in Delft