- SSO
SSO may refer to:
*
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
**Enterprise single sign-on
*Sso (rite) , an initiation rite once practised by the Beti of Cameroon
* Standards Setting Organization, an organization promulgating or maintaining standards
*Starship Operators , a TV sci-fi anime series
*Sydney Star Observer , a newspaper in Sydney, Australia
*UMF/SSO-3 ASH , a battlesuit in the anime Gundam
*Iraqi Special Security Organization In music:
*The Salford Symphony Orchestra
*Saskatoon Symphony Orchestra
*BBC Scottish Symphony Orchestra
*Seattle Symphony Orchestra
*Shreveport Symphony Orchestra
*Siding Spring Observatory
*Singapore Symphony Orchestra
*Springfield Symphony Orchestra
*Sudbury Symphony Orchestra
*Sydney Symphony
*Syracuse Symphony Orchestra 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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