AAT or Aat may refer to:
Aatish Taseer (born 27 November 1980), is a British-born writer-journalist, and the son of Indian journalist Tavleen Singh and late Pakistani politician and businessman Salmaan Taseer.
Aaton Digital (formerly known as Aaton) is a French motion picture equipment manufacturer, based in Grenoble, France.
Aatma is a 2013 Bollywood psychological horror film directed by Suparn Verma and starring Bipasha Basu and Nawazuddin Siddiqui in lead roles and Shernaz Patel and Doyel Dhawan in supporting roles.
Aatos Juho Michel Erkko (16 September 1932 – 5 May 2012) was a Finnish newspaper editor, newspaper publisher, and the main owner of the Sanoma Corporation and the newspaper Helsingin Sanomat, of which he was also the editor in chief.
Aatha Un Koyilile (English: Aatha, in your temple) is a 1991 Tamil drama film directed by Kasthuri Raja.
Aatef Jenyat (Arabic: عاطف جنيات) (born 8 May 1984 in Homs, Syria) is a Syrian footballer who is currently a Free agent, and is a former member of the Syria national football team.
The Advanced Along Track Scanning Radiometer (AATSR) is one of the Announcement of Opportunity (AO) instruments on board the European Space Agency (ESA)'s Envisat satellite.
Serine/threonine-protein kinase LMTK1 (also known as Apoptosis-associated tyrosine kinase) is an enzyme that in humans is encoded by the (AATK) gene.
Aatagara (Kannada: ಆಟಗಾರ: translation: Player) is a 2015 Indian Kannada romantic thriller film directed by K. M.