Question

Sia or SIA may refer to:

• Società Italiana Aviazione, a subsidiary of Fiat that built aircraft and aero engines between 1914 and 1918
• Subaru of Indiana Automotive, Inc., formerly Subaru-Isuzu Automotive, Inc.
• Seychelles International Airways
• Singapore Airlines
• Swiss International Air Lines

• Service in Informatics and Analysis, provided batch and remote terminal access to mainframe computers, from 1967 to the early 1990s
• SIA Ltd, suppliers of geographic information system (GIS) solutions and services
• SOCO International (London stock exchange symbol SIA), an international oil and gas exploration and production company
• Sia Partners, A global management consulting firm

• Secret Intelligence Australia
• Security Industry Association, for makers and handlers of electronic and physical security products
• Security Industry Authority, a British licensing authority for the private-security industry
• Security Information Agency, a Serbian government intelligence agency
• Securities Industry Association, in finance
• Semiconductor Industry Association
• Smithsonian Institution Archives
• Society for Industrial Archeology
• Staten Island Academy
• Survivors of Incest Anonymous
• Style Icon Asia

• Sia (musician) (born 1975 as Sia Furler), Australian singer, songwriter, record producer and music video director
• Sia Berkeley (born 1985), English actress
• Sia Figiel (born 1967), Samoan novelist, poet and painter
• Sia Koroma (born 1958), Sierra Leonean biochemist and psychiatric nurse; wife of Sierra Leonean President Ernest Bai Koroma
• Beau Sia (born 1976), American slam poet
• Edgar Sia (born 1977), Filipino billionaire property developer

• Sangster International Airport, Jamaica
• Senai International Airport, Malaysia
• Sana'a International Airport, Yemen

• Sia, Cyprus, a village
• Sia, an ancient pieve (church with a baptistery) in Corsica

• Sia (god), a deification of wisdom in Egyptian mythology
• Sia (genus), a type of large flightless insect related to Jerusalem crickets
• Self-indication assumption
• Social impact assessment
• Sia (title), a hereditary title in colonial Indonesia

• Zia Pueblo, New Mexico

...
Wikipedia