Osa or OSA may refer to:
Places
- Osa Peninsula, a peninsula in Costa Rica
- Osa (canton), a canton in the province of Puntarenas in Costa Rica
- Osa Conservation Area, an administrative area in Costa Rica
- Osa, India, a village in Allahabad, India
- Osa, Iran, a village in Mazandaran Province, Iran
- Osa, Warmian-Masurian Voivodeship, north Poland
- Osa, Norway, a village in Ulvik municipality, Vestland county, Norway
- Osa, Russia, the name of several inhabited localities in Russia
- Osa, Missouri, a community in the United States
- Old Scona Academic High School, a school in Edmonton, Canada
- Oakland School for the Arts
Military
- Osa-class missile boat
- 9K33 Osa (SA-8 Gecko), a Soviet surface-to-air missile launcher
- M79 Osa, a Serbian/Yugoslav rocket launcher
- Avia B.122 Osa, a Czech trainer aircraft
- Osa (handgun) a Russian non-lethal handgun
Science and technology
- Optical spectrum analyzer
- Osa (plant), a monotypic genus of plant in the family Rubiaceae
- OSA methodology
Medicine
- Obstructive sleep apnea, a sleep-related breathing disorder wherein episodes of upper airway obstruction lead to reduced breathing that interrupts normal sleep
- Osteosarcoma, a malignant neoplasm of bone
Computing
- Open Scripting Architecture, for AppleScript
- Open Services Access, a set of standards for mobile telecommunications
- Online Sexual Activity
- Open Systems Adapter, an IBM card for mainframes
- Open systems architecture, a telecommunication standard
- Oversampling
Businesses and organizations
- Oceania Swimming Association
- Ontario Soccer Association
- Ontario Society of Artists
- Open Solutions Alliance
- Optical Society
- Optimization Systems Associates, a defunct American software company
- Order of Saint Anne
- Order of Saint Augustine (Ordo Sancti Augustini), the Roman Catholic Augustinian order
- Oregon Student Association
- Organization of the Secret Army, French far-right nationalist group in Algeria
- OSA, a Czech Republic performance rights organisation
- Oriental Society of Australia now the Australian Society for Asian Humanities
- OSA Group, a Constructivist architectural association of the 1920s based in the USSR
- Orissa Society of the Americas, a non-profit organization that promotes understanding of Oriya culture and history
- Intelligence-Security Agency of Bosnia and Herzegovina (Obavještajno sigurnosna / bezbjednosna agencija, or OSA-OBA), an intelligence and security agency of Bosnia and Herzegovina
- Office of the Science Advisor, of the United States Environmental Protection Agency
- Office of Special Affairs, a controversial department of the Church of Scientology
- Operation Save America
- Oscilloquartz SA
People
- Sumire Haruno, Japanese actress, nicknamed Osa
- Osa Maliki (1907–1969), Indonesian politician
- Osa Massen (1914–2006), Danish actress
- Osa Odighizuwa (born 1998), American football player
- Lars Osa (1860–1958), Norwegian artist
Other uses
- Old Stone Age or Paleolithic
- Office of Secret Actions, a fictional government department in the video game Return to Castle Wolfenstein
- Official Secrets Act
- Online savings account
- Open skies agreement
- Osaka International Airport (former IATA code: OSA)
See also
Topics referred to by the same term
This disambiguation page lists articles associated with the title Osa.If an internal link led you here, you may wish to change the link to point directly to the intended article. Categories: