SSO

SSO may refer to:

Statistical Society of Ottawa, the Ottawa Regional Association of the Statistical Society of Canada and the Ottawa Chapter of the American Statistical Association.
Sanitary sewer overflow
Senior Station Officer, a rank in the New Zealand Fire Service
Special Security Office, is a function of the US federal government and armed forces
- Special Security Officers, a group of people with law Enforcement
Single sign-on, a system designed to minimize the number of times that a user must log into multiple applications
Special Security Organization (Iraqi)
Sso (rite), an initiation rite once practised by the Beti of Cameroon
Standards Setting Organization, an organization promulgating or maintaining standards
Sydney Star Observer, a newspaper in Sydney, Australia
Super Surgical Operation
Swiss Space Office, space agency of Switzerland
Siding Spring Observatory
Student Switch Off, a UK-based energy saving campaign

In fiction:

Starship Operators, a TV sci-fi anime series
UMF/SSO-3 ASH, a battlesuit in the anime Gundam

In music:

In spaceflight:

Scaled Composites SpaceShipOne, the vehicle used in the first ever privately funded human spaceflight
Semi-synchronous orbit, a type of Earth orbit
single-stage-to-orbit, a vehicle that reaches orbit without jettisoning hardware
Space Shuttle Orbiter, an orbital spaceplane operated by NASA
Sun-synchronous orbit, a type of Earth orbit

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