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 Offensive Systems Officer, military aircrew member 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" Osa (drone), Ukrainian business Oso (footballer), full name Joaquín Martínez Gauna, Spanish footballer
See also El Oso, 1998 album by Soul Coughing El Oso, Ávila, in Spain Oso Kuka, Albanian folk hero