In physics and chemistry, an ion is an atom or group of atoms with a net electric charge. Ion or ION may also refer to: Places Ion (Greece), a town of ancient Laconia, Greece Ion, a hamlet near to Lower Gravenhurst, Bedfordshire, England Ion, Iowa, an unincorporated community in the United States I'On, Mount Pleasant, South Carolina, a neighborhood Ion River, Romania People Ion (name), both a given name and a surname Ancient Greece Ion (dialogue), a dialogue by Plato, between Socrates and Ion, a reciter of epic poems Ion (mythology), the son of Xuthus and Creüsa, daughter of Erechtheus Ion (play), a play by Euripides on the relationship between humans and the gods, in which Ion is instead the son of Apollo Arts and entertainment I.O.N. (manga), a Japanese science fiction manga by Arina Tanemura Ion (DC Comics), a fictional character in the DC Comics universe Ion (Marvel Comics), a super villain in the Marvel Comics universe Fon Master Ion, from the video game Tales of the Abyss Ion Television, an American television network Ion (SCP Foundation), a fictional religious figure in the SCP Foundation universe Computing and technology Ion (window manager), in computing a window manager for the X Window System Nvidia Ion, an Nvidia platform for the Intel Atom CPU Ion, a defunct communication network formerly advertised by Sprint Nextel ION (satellite) (Illinois Observing Nanosatellite), a satellite from the University of Illinois Alesis Ion, an analog-modeling synthesizer keyboard made by Alesis ION Audio, a brand of audio equipment manufacturer Numark Industries Ion (serialization format), a data serialization language developed by Amazon Index to Organism Names (ION), a database of published names in zoology, indexing the content of The Zoological Record Ion, a command line shell for Redox operating system Microsoft ION, a decentralized identity network that runs atop the Bitcoin blockchain Transport Mitsubishi i-MiEV, sold in Europe as the Peugeot iOn Saturn Ion, an automobile formerly sold by General Motors Ion rapid transit, a light rail system currently operating in Waterloo Region, Ontario, Canada ION, IATA code for Impfondo Airport, Republic of the Congo U.S. Route 95 in Oregon, designated I.O.N. Highway No. 456 Other uses Ion (chocolate), a Greek chocolate brand Ion (paintball marker), made by Smart Parts Institute of Navigation Instituto Oncologico Nacional, Panama City See also Aion (disambiguation) Ionic (disambiguation)