Isos or ISOS may refer to: Isos (Boeotia), a town of ancient Boeotia, Greece Isos (Megaris), a town of ancient Megaris, Greece Isos Sinasos, a Greek dance In Search of Sunrise (series), a trance/house mix-compilation music CD series by Tiësto Integrated School of Ocean Sciences, a post-graduate school for marine scientists in Kiel, Germany Inventory of Swiss Heritage Sites, part of a 1981 Ordinance of the Swiss Federal Council implementing the Federal Law on the Protection of Nature and Cultural Heritage See also ISO (disambiguation) Issos (disambiguation)