DIA or Dia may refer to:
Government establishments Defence Industry Agency, Turkey Defense Intelligence Agency, United States foreign military intelligence agency Defence Intelligence Agency (India) Indian foreign military intelligence agency Defence Intelligence Agency (Nigeria) Defense Intelligence Agency (South Korea) Department of Internal Affairs, New Zealand public service department Department of Indian Affairs, Canadian federal department Direzione Investigativa Antimafia, an Italian law-enforcement agency
Organizations and businesses Airports Davao International Airport (DVO) Denver International Airport (DEN) Dubai International Airport (DXB) Doha International Airport (DIA) Durban International Airport (DUR) Washington Dulles International Airport (IAD)
Arts Design Institute of Australia, Australian design organisation Detroit Institute of Arts, American art museum Dia Art Foundation, non-profit arts organization
Charity Design and Industries Association, British charity
Education Dubai International Academy, a private school in the United Arab Emirates.
Entertainment Dia (film), a 2020 Indian Kannada language film DIA (group), a South Korean girl group Dia (singer), stage name for Kim Ji-Eun, a South Korean female singer
Trade Dia (supermarket chain), Spanish multinational supermarket chain
Youth Detroit International Academy for Young Women Development in Action (DiA), a youth-led UK NGO focusing on international development and global citizenship amongst young people Sakartvelos Gogona Skautebis Asociacia 'Dia', the Georgian Girl Scout Association
Places Diá, Drôme, France Dia (Bithynia), an ancient town of Bithynia Dia (Coele-Syria), an ancient city of Coele-Syria Dia (island), Greek island off the coast of Crete Dia, Mali Dia (moon), a moon of Jupiter Naxos (island), Greek island in the Aegean, named Dia by the ancient Greeks
Publications Al Día (disambiguation), various newspapers El Día (disambiguation), various newspapers O Dia, Brazilian newspaper Türkiye Diyanet Vakfı İslâm Ansiklopedisi (DİA) or İslâm Ansiklopedisi, Turkish encyclopedia for Islamic studies El Nuevo Dia Puerto Rican newspaper, commonly referred to as "El Dia"
Science and technology Dia (software), a software program for diagram creation Document Interchange Architecture, an IBM standard for electronic mail, part of IBM Systems Application Architecture
Other uses Dea Dia, lit. 'goddess Dia', a Roman goddess Dia (mythology), name of multiple figures in Greek mythology Dia (name), and persons with the name Dia language, a Torricelli language of Papua New Guinea Diameter, the width of a circle, often abbreviated to "dia." Diamond (Shugo Chara!), also known as Dia, a character from the manga series Shugo Chara! , British cargo ship that sank in the Mediterranean in 1964 Dow Diamonds (NYSE: DIA), an exchange-traded fund tracking the Dow Jones Industrial Average Data-independent acquisition, an acquisition type in mass spectrometry Diisopropylamine, a common organic base and precursor to Lithium Diisopropylamide
See also Diaa, a given name Diya (disambiguation)