Oso

Oso, or OSO, may refer to:

Places

 * Oso, Ontario, a community and former township now part of Central Frontenac Township, Ontario, Canada
 * Oso, Washington, a census-designated place in Snohomish County, Washington

Music

 * Oṣó, sixth studio album by Brymo
 * Oso Oso, an emo band

Other

 * Oakville Symphony Orchestra
 * Ose (demon) or Oso
 * Onsala Space Observatory
 * Orbiting Solar Observatory, series of nine satellites
 * OSO 3
 * OSO 7
 * Ottawa Symphony Orchestra
 * Om Shanti Om, Hindi film starring Shahrukh Khan, Deepika Padukone and Arjun Rampal
 * Special Council of the NKVD; Russian "ОСО," transliterated "OSO"
 * Special Agent Oso, a Disney Channel animated show for children
 * Osborne Mine Airport, IATA airport code "OSO"