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{{wiktionary|aij|আইজ|eið|aghaidh|Reconstruction:Proto-West Germanic/aij}}

'''AIJ''', '''Aij''', or '''aij''' could refer to:

* [[Artificial Intelligence (journal)]], a scholarly journal about artificial intelligence
* <math>A_{ij}</math>, the notation for the entry in the ''i''-th row and ''j''-th column of a [[matrix (mathematics)]]
* [[Inter-Zab Jewish Neo-Aramaic]], a Judeo-Aramaic dialect spoken in Israel and Iraq, by ISO 639 code
* [[Architectural Institute of Japan]], a Japanese institute for people in architecture
* [[Interjet]], a defunct low-cost airline based in Mexico from 2005 to 2020, by ICAO code
* {{Lang|fr|Assemblée InterJurassienne}}, an organization that proposed a way of making new Swiss cantons in 2007; see [[Jura separatism]]
* Air Jet, a defunct airline based in France from 1974 to 2003, by ICAO code; see [[List of defunct airlines of France]]
* Artificial Intelligence Journalist, a type of AI-based journalism software created by the [[NewsRx]] company in 1999

== See also ==

* {{Ill|AIJ Investment Advisors|ja|AIJ投資顧問}}, a company that lost {{Currency|130B|JPY}} in 2012 due to trading in volatility options; see [[List of trading losses]]
* [[Age (disambiguation)]], several things

{{disambiguation}}