OSS

OSS or Oss may refer to:

Places

• Oss, a city and municipality in the Netherlands
• Osh Airport, IATA code OSS

People with the name

• Oss (surname), a surname

Arts and entertainment

• O.S.S. (film), a 1946 World War II spy film about Office of Strategic Services agents
• Oss (film), a 1976 Norwegian post-apocalyptic disaster film
• O.S.S. (TV series), a British spy series which aired in 1957 in the UK and the US
• Open Source Shakespeare, a non-commercial website with texts and statistics on Shakespeare's plays
• Old Syriac Sinaiticus, a Bible manuscript
• Organization of Super Spies, a fictional organization in the Spy Kids franchise

Education

• ÖSS (Öğrenci Seçme Sınavı), a former university entrance exam in Turkey
• Options Secondary School, Chula Vista, California
• Otto Stern School for Integrated Doctoral Education, Frankfurt am Main, Germany
• Outram Secondary School, Singapore
• Out-of-school suspension, a form of school discipline considered more severe than in-school suspension

Organizations

• Observatoire du Sahara et du Sahel, dedicated to fighting desertification and drought; based in Tunis, Tunisia
• Office for Science and Society, Science Education from Montreal's McGill University
• Office of Strategic Services, World War II forerunner of the Central Intelligence Agency
• Office of the Supervising Scientist, an Australian Government body under the Supervising Scientist
• One-stop shop, a government office where multiple services are offered in a centralized location rather than in different places
• Open Spaces Society, a UK registered charity championing public paths and open spaces
• Operations Support Squadron, a United States Air Force support squadron
• Optimized Systems Software, a former software company

Science and technology

• Ohio Sky Survey
• Optical SteadyShot, a lens-based image stabilization system by Sony
• Optimal Stereo Sound, another name for the Jecklin Disk recording technique
• Oriented spindle stop, a type of spindle motion used within some G-code cycles
• Ovary-sparing spay
• Overspeed Sensor System, part of the Train Protection & Warning System for railroad trains

Computer software and hardware

• Operations support system, computers used by telecommunications service providers to administer and maintain network systems
• Open Sound System, a standard interface for making and capturing sound in Unix operating systems
• OpenSearchServer, search engine software
• Open-source software, software with its source code made freely available
  • GPT-OSS (stylized as gpt-oss), a set of open-weight reasoning models released by OpenAI on August 5, 2025

Other uses

• Operation Southern Spear, a US military campaign
• Order of St. Sava, a Serbian decoration
• Ossetic language ISO 639 code oss
• Oss (greeting), a casual Japanese salutation
• Óss (rune) or Ansuz, a character of the Elder Futhark

See also

• Import OSS (IOSS)
• EU OSS
• Non-EU OSS
• Mini One Stop Shop (MOSS)
• AAS (disambiguation)
• Hoz (disambiguation)
• OS (disambiguation)