Es, ES, or similar may refer to:
Estonia (Estonian: Eesti [ˈeːsʲti] (listen)), officially the Republic of Estonia (Estonian: Eesti Vabariik), is a country on the eastern coast of the Baltic Sea in Northern Europe.
Escherichia coli (), also known as E. coli (), is a Gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms (endotherms).
Esperanto () is the most widely spoken constructed international auxiliary language. It was created by L. L.
ESPN (originally an initialism for Entertainment and Sports Programming Network) is an American basic cable sports channel owned by ESPN Inc., owned jointly by The Walt Disney Company (80%) and Hearst Communications (20%).
Espionage or spying is the act of obtaining secret or confidential information or divulging of the same without the permission of the holder of the information.