Io or io has several meanings: May refer to : · Io , daughter of Inachus in Greek mythology · Io , a moon of Jupiter · Io Matua Kore, in some M?ori traditions the supreme god · Blind Io, the current king of the gods in Terry Pratchett's Discworld series of fantasy novels · Io , the chief deity worshipped by dragons in the Dungeons & Dragons role-playing game · The IO.SYS file in Windows 2000 and XP. Io may also refer to: · Io , a space station in the science fiction television show Babylon 5 · 85 Io, an asteroid · The Hawaiian Hawk's local name · Ido, a constructed language's ISO 639 alpha-2 codeiter · Io , a pure object-oriented programming language · Io , a particle of a title used by Romanian royalty from Moldavia and Walachia · iO Digital Cable Service, a digital cable service offered by Cablevis