Ada may refer to:

Arts and entertainment Ada or Ardor: A Family Chronicle, a novel by Vladimir Nabokov

Film and television Ada, a character in 1991 movie Armour of God II: Operation Condor Ada... A Way of Life, a 2008 Bollywood musical by Tanvir Ahmed Ada (dog actor), a dog that played Colin on the sitcom Spaced Ada (1961 film), a 1961 film by Daniel Mann Ada TV, a television channel in Northern Cyprus Ada (2019 film), a short biopic about Ada Lovelace

Aviation Ada Air, a regional airline based in Tirana, Albania Francisco C. Ada Airport, Saipan Island, Northern Mariana Islands IATA airport code for Adana Şakirpaşa Airport in Adana Province, Turkey

Places Africa Ada Foah, a town in Ghana Ada (Ghana parliament constituency) Ada, Osun, a town in Nigeria

Asia Ada, Karaman, a village in Karaman Province, Turkey Ada, Urmia, a village in West Azerbaijan Province, Iran

Europe Ada, Bosnia and Herzegovina, a village Ada Ciganlija or Ada, a river island artificially turned into a peninsula in Belgrade, Serbia Ada, Croatia, a village Ada, Serbia, a town and municipality

United States Ada, Alabama, an unincorporated community Ada County, Idaho Ada, Kansas, an unincorporated community Ada, Minnesota, a city Ada, Ohio, a village Ada, Oklahoma, a city Ada, Oregon, an unincorporated community Ada Township, Dickey County, North Dakota Ada Township, Michigan Ada Township, Perkins County, South Dakota Ada, West Virginia, an unincorporated community Ada, Wisconsin, an unincorporated community Mount Ada, a mountain in Alaska

Elsewhere Ada River (disambiguation), various rivers 523 Ada, an asteroid

Schools Ada High School (Ohio), US Ada Independent School District, Oklahoma, US Ada, the National College for Digital Skills, a further education college in Tottenham Hale, London

Science and technology Ada, the cryptocurrency of the Cardano blockchain platform List of storms named Ada

Biology Ada (plant), a genus of orchids Ada (protein), an enzyme induced by treatment of bacterial cells Adenosine deaminase, an enzyme involved in purine metabolism

Computing Ada (computer virus) Ada (programming language), programming language influenced by Pascal and other languages

Ships Ada-class corvette, a class of anti-submarine corvettes developed by Turkey Ada (1897 shipwreck), a wooden ketch, wrecked near Newcastle, New South Wales, Australia , a cargo vessel built for the London and South Western Railway

People Ada Lovelace (1815–1852), computer scientist sometimes regarded as the first computer programmer Ada (name), a feminine given name and a surname, including a list of people and fictional characters Ada of Caria (fl. 377 – 326 BCE), satrap of ancient Caria and adoptive mother of Alexander the Great

Other uses Ada Band, an Indonesian pop rock band Ada and Abere, a ceremonial sword of state in Yorubaland and surrounding regions of West Africa Ada Bridge, Belgrade, Serbia Ada (food), a traditional Kerala delicacy Ada Health, a German medical technology company Dangme language (ISO 639-2 and 639-3 code: ada), spoken in Ghana

See also ADA (disambiguation) Ada regulon, an Escherichia coli adaptive response protein Adah (disambiguation) Adha (disambiguation) Ada'a, a woreda in the Oromia Region of Ethiopia Ade (disambiguation) USS Little Ada, a steamer captured by the Union Navy during the American Civil War