Alto (Italian for "high") is a musical term that has several possible interpretations. Alto may also refer to: Places Brazil Alto, Teresópolis, a neighborhood in Teresópolis, Brazil Italy Alto, Piedmont, a comune in the Province of Cuneo United States Alto, Arizona, a ghost town in Santa Cruz County Alto, California, a former unincorporated community in Marin County Alto, Georgia, a town divided between Banks County and Habersham County Alto, Indiana, an unincorporated community in Howard County Alto, Michigan, an unincorporated community in Kent County Alto, New Mexico, an unincorporated community in Lincoln County Alto, Texas, a town in Cherokee County Alto, Wisconsin, a town in Fond du Lac County Alto (community), Wisconsin, an unincorporated community in Fond du Lac County People Alto of Altomünster, a German saint Alto, spouse of Mr Percival, famous Australian pelican and film actor Music Alto, a voice part in choral music, sung by either: Alto or Contralto, the lowest female voice Male alto or contratenor, the highest male voice Members of a family of instruments, including: Althorn, the German name for tenor horn, a brass instrument Alto saxophone, a woodwind instrument Alto, the French name for viola, a string instrument Alto clef Technology Direct Fly Alto, a Czech ultralight aircraft Suzuki Alto, a Japanese car Maruti Suzuki Alto, an Indian version of the Suzuki Alto Xerox Alto, an experimental American personal computer ALTO (interbank network), in Indonesia ALTO (protocol), a protocol for applications to discover routing costs to different endpoints ALTO (XML), an open XML standard to describe OCR text and layout information of printed documents Air-launch-to-orbit, a method of launching rockets at altitude from a conventional horizontal-takeoff aircraft, abbreviated as "ALTO" Other uses Nilfisk-Advance, a supplier of professional cleaning equipment has an Alto brand ALTO (film), a 2015 American-Italian mob comedy film Alto's Adventure, a video game Cirrus cloud#Relation to other clouds, where the prefix "alto-" is applied to cloud genera See also Alta (disambiguation) Aalto (disambiguation) El Alto (disambiguation)