DIA or Dia may refer to: Government establishments Defense Intelligence Agency, United States foreign military intelligence agency Defence Intelligence Agency (India) Indian foreign military intelligence agency Department of Internal Affairs, New Zealand public service department Department of Indian Affairs, Canadian federal department Defence Intelligence Agency (Nigeria) Defense Intelligence Agency (South Korea) 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 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" 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 Dia (software), a software program for diagram creation 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 Document Interchange Architecture, an IBM standard for electronic mail, part of IBM Systems Application Architecture Data-independent acquisition, an acquisition type in mass spectrometry Diisopropylamine, a common organic base and precursor to Lithium Diisopropylamide