Ati

As a word, Ati may refer to:

• Ati, a town in Chad
• Ati, a Negrito ethnic group in the Philippines

• Ati-Atihan Festival, an annual celebration held in the Philippines

• Ati, a queen of the fabled Land of Punt in Africa
• Maha Ati, one of the nine subdivisions of Buddhist Tantra in the Nyingma school

As an acronym, ATI may refer to:

Electronics and information technology

• ATI (brand) of graphics hardware
  • ATI Technologies, Inc. (1985-2006), a former major designer and supplier of graphics processing units (GPUs), graphics cards and motherboard chipsets
  • AMD Graphics Product Group (2006-2010), graphics division of Advanced Micro Devices, Inc. formed after their acquisition of ATI Technologies
• Acronis True Image, a software product
• Allied Telesis, a telecommunications company, formerly Allied Telesyn

Transportation

• Aero Trasporti Italiani, a defunct Italian airline
• Air Transport International, a charter cargo airline
• Ansett Transport Industries Limited, the now defunct Australian holding company for a wide range of transport interests, including Ansett Australia airlines

• ATI, its ICAO designator

• Artigas Airport, from its IATA designation

Academic institutions

• Accounting Technicians Ireland, formerly the Institute of Accounting Technicians in Ireland (IATI)
• Auckland Technical Institute, now the Auckland University of Technology, Auckland, New Zealand
• Ohio State University Agricultural Technical Institute

Other

• Above-threshold ionization, a Photoelectrochemical processes ionizing an atom by an excessive number of photons
• Allegheny Technologies, Inc., a specialty metals company headquartered in Pittsburgh, Pennsylvania, USA
• Arabic Translators International, The Association for Arabic linguistics and Translators, formerly WAT
• Access to Insight, a Theravada Buddhist website