Es, ES, or similar may refer to:
Estonia ( ( listen) eh-STOH-nee-ə; Estonian: Eesti, Estonian pronunciation: [ˈeːsti] ( listen)), officially the Republic of Estonia (Estonian: Eesti Vabariik), is a sovereign state in Northern Europe.
Escherichia coli (; also known as E. coli) is a Gram-negative, facultatively anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms (endotherms).
Esperanto ( or ; Esperanto [espeˈranto] listen ) is a constructed international auxiliary language. L. L.
Esophageal cancer is cancer arising from the esophagus—the food pipe that runs between the throat and the stomach.
Espionage or spying, is the act of obtaining secret or confidential information without the permission of the holder of the information.
In chemistry, an ester is a chemical compound derived from an acid (organic or inorganic) in which at least one –OH (hydroxyl) group is replaced by an –O–alkyl (alkoxy) group.