Esu

Esu or ESU may refer to:

Universities

• Emporia State University
• East Stroudsburg University of Pennsylvania
• Empire State University, a fictional university in the Marvel Comics Universe.

Computers

• Essential System Update
• Enterprise Security Update

Other meanings

• esu is the ISO 639-3 code for the Central Alaskan Yup'ik language
• European Size Unit, a measurement of economic size used in farming
• European Students' Union
• Emergency Service Unit, a police tactical unit
• Evolutionarily Significant Unit, a population or group of populations considered for conservation purposes
• English-Speaking Union, an international educational charity
• Eshu, a Yoruba divinity
• Electrostatic units, one system of measuring units used in electromagnetic theory
• The electrostatic unit (esu) of electrical charge (also known as the "Statcoulomb")
• A unit of the Explorer Scouts
• Class S (genre), sometimes abbreviated as Esu. Japanese genre of girl's fiction.
• Electrosurgical Unit, a medical device used to cauterize incisions.
• ICAO code for Mogador Airport, the airport for Essaouira, Morroco
• Electronic Solutions Ulm, a model railroad electronics manufacturer