Es, ES, or similar may refer to:
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ES or
Es in Wiktionary, the free dictionary.
- An alternate name for the musical note 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
- Es, a fictional character from the BlazBlue series
- 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
Chemical element Es
- Einsteinium, first made in 1952 (atomic number: 99)
- Hesperium (or Esperium), misidentified as an element in 1934
Units of measure
- Exasecond (Es), an SI unit of time (greater than all elapsed time)
- Exasiemens (ES), an SI unit of electric conductance
Other uses in science and technology
- 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