OASYS

OASYS may refer to:

Brands and enterprises

 * OASys (company), a 100% subsidiary of Webasto
 * Accuvue Oasys, a brand of contact lenses

Computing and technology

 * Korg OASYS, a workstation synthesizer released in early 2005
 * Omgeo OASYS, US financial markets trade confirmation service
 * OASys, an acronym for the Offender Assessment System, an IT system used by HM Prisons and the National Probation Service in England and Wales