Es, ES, or similar may refer to:

• An alternate name for the musical note^{[broken anchor]} E♭ (E-flat)
• E's, a manga series by Satoru Yuiga
• Es (film), the German title of It, a 1966 West German film directed by Ulrich Schamoni
• ES (Eternal Sabbath), a manga by Fuyumi Soryo
• ES, a supplement of the Evening Standard newspaper

• Gibson ES Series, a line of guitars
• Lexus ES, a series of automobiles
• E-mini S&P, a futures contract on the Chicago Mercantile Exchange (symbol ES)
• Eurostar (National Rail abbreviation ES)
• DHL International Aviation ME (IATA airline code ES)

• Es, a phonetic spelling of the Latin alphabet letter S
• -es, a word ending
• Spanish language (ISO 639 alpha-2 language code)
• Es (cyrillic), a letter in the Cyrillic alphabet that looks like the Latin letter C

• Spain (ISO 3166-1 country code)
  • .es, top-level Internet domain for Spain
• El Salvador (FIPS 10-4 country code)
• Espírito Santo, a state in Brazil (ISO 3166-2:BR code)
• Eš, a village in the Czech Republic
• ES, an abbreviation for "elementary school", as seen on some maps, etc. (e.g., Matsukage ES, Yawatahama, Japan)
• CIA cryptonym for Guatemala

• .es, the top-level Internet domain for Spain
• Es (operating system), an operating system originally developed by Nintendo and since 2008 by Google
• es (Unix shell), a Unix command shell and functional programming language
• ES EVM, a Soviet series of IBM computer clones
• ES register, in x86 computer architecture
• ECMAScript, popularly known as JavaScript
• Elasticsearch, a search engine
• Elementary stream, part of the MPEG communication protocol
• Expert system, software which automates decision making

• Edison screw, a type of lightbulb socket whose sizes are preceded with ES (e.g. ES14, ES27)
• Einsteinium, the chemical element with symbol Es
• Embryonic stem cell, a type of pluripotent stem cell derived from an early-stage embryo
• Exasecond (Es), an SI unit of time
• Exasiemens (ES), an SI unit of electric conductance

• Es, the German term for the id, one of the psychic apparatus defined in Sigmund Freud's structural model of the psyche
• Série économique et sociale, a specialization within the French academic "baccalauréat" degree
• Expected shortfall, a measure of risk

This disambiguation page lists articles associated with the title ES. If an internal link led you here, you may wish to change the link to point directly to the intended article.