KSO

KSO may refer to:

Honours and titles

 * Commander of the Order of the Sword (Swedish: Kommendör av Svärdsorden)
 * Kommunstyrelseordförande, Swedish title for Municipal commissioner, equivalent to mayor
 * Order of St. Olav, Norwegian honour

Orchestras

 * Kalamazoo Symphony Orchestra, Michigan, United States
 * Kaohsiung Symphony Orchestra, Taiwan
 * Kensington Symphony Orchestra, London, England
 * Kristiansand Symphony Orchestra, Norway

Radio stations

 * Call sign used from 1925 until 1935 by AM station KRNT, Des Moines, Iowa, United States
 * Call sign used from 1935 until 1989 by AM station KXNO (AM), Des Moines, Iowa, United States

Other

 * Kanzelhoehe Solar Observatory, Austria
 * Aristoteles Airport, Kastoria, Greece
 * Kingsoft Office, software suite
 * A make of Vibram FiveFingers footwear
 * Keep Sydney Open, or The Open Party in Australia