AIST or Aist may refer to:
Organizations African Institute of Science and Technology Nelson Mandela African Institute of Science and Technology National Institute of Advanced Industrial Science and Technology, one of the biggest research institutions in Japan Association for Iron and Steel Technology, the main group for ferrous metallurgists in the US Aist Bicycles, Belarusian bicycle company
Places Aist (river), in Austria Wartberg ob der Aist, a town on the river Aist Aist parish (Gemeinde) in Naarn im Machlande on the river Aist
People with the surname Dietmar von Aist, 12th century minnesinger from the region of the Aist river
Technology AgInSbTe, an alloy used in rewritable CDs Aist-class LCAC, assault hovercraft operated by the Soviet and Russian Navy Khrunichev T-411 Aist, Russian light utility monoplane Aist 1, a small satellite AIST (missile), a Belarusian cruise missile
See also AISTS, the International Academy of Sport Science and Technology