Ada
Ada may refer to:

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

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

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

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

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

Film and television
Ada TV, a television channel in the Turkish Republic of Northern Cyprus
Ada (1961 film), a 1961 film by Daniel Mann
Ada (2019 film), a short biopic about Ada Lovelace
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, one of the main characters in 1991 movie Armour of God II: Operation Condor

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

Computer science
Ada (programming language), programming language based on Pascal
Ada (computer virus)

Air travel
Ada Air, a regional airline based in Tirana, Albania
Francisco C. Ada Airport, Saipan Island, Northern Mariana Islands

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

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

Other uses
List of tropical storms named Ada
Ada (food), a traditional Kerala delicacy
Ada, the cryptocurrency of the Cardano blockchain platform
Ada Bridge, Belgrade, Serbia
SS Ada (1905), a cargo vessel built for the London and South Western Railway
Ada (ship), a wooden ketch, wrecked near Newcastle, New South Wales, Australia
Ada class, a class of anti-submarine corvettes developed by Turkey
Ada or Ardor: A Family Chronicle, novel by Vladimir Nabokov
Dangme language, spoken in Ghana (ISO 639-2 and 639-3 code "ada")
Ada Health GmbH, a symptom checker app

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 (1864), a steamer captured by the Union Navy during the American Civil War