Oss

OSS may refer to:

• Office of Strategic Services, World War II forerunner of the Central Intelligence Agency
• Observatoire du Sahara et du Sahel, dedicated to fighting desertification and drought; based in Tunis, Tunisia
• Offshore Super Series, an offshore powerboat racing organization
• Open Spaces Society, a UK registered charity championing public paths and open spaces

Oss is a municipality and a city in the southern Netherlands, in the province of North Brabant.

Student Selection and Placement System (, ÖSYS) or Higher Education Examination-Undergraduate Placement Examination (, YGS-LYS), [formerly Student Selection Examination, (, ÖSS)], is a standardized test for the admission to higher education in Turkey administered by ÖSYM. Within the Turkish education system, the only way to enter a university is through this exam. 1,692,000 high school graduates took the exam in 2011. It is a multiple choice exam (5 options).

In Old Norse, (or , plural ; feminine , plural ) is the term denoting a member of the principal pantheon in the indigenous Germanic religion known as Norse religion. This pantheon includes Odin, Frigg, Thor, Baldr and Týr. The second pantheon comprises the Vanir. In Norse mythology, the two pantheons wage the Æsir-Vanir War, which results in a unified pantheon.