Arts and entertainment

• Ada or Ardor: A Family Story, a novel written by Vladimir Nabokov
• Ada, a character in the 1991 movie Armour of God II: Operation Condor
• Ada… A Way of Life, a 2008 musical movie from India created by Tanvir Ahmed
• Ada (dog actor), a dog that played a role named Colin in the sitcom Spaced
• Ada (1961 film), a movie from 1961 directed by Daniel Mann
• Ada TV, a television channel located in Northern Cyprus
• Ada (2019 film), a short movie about a real person named Ada Lovelace

Aviation

• Ada Air is a regional airline that operates from Tirana, Albania
• Francisco C. Ada Airport is located on Saipan Island in the Northern Mariana Islands
• The IATA airport code for Adana Şakirpaşa Airport, which is located in Adana Province, Turkey

Places

• Ada Foah, a town located in the country of Ghana
• Ada, a parliamentary constituency in Ghana
• Ada, Osun, a town located in the state of Osun, Nigeria

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

• Ada, Bosnia and Herzegovina, a village
• Ada Ciganlija or Ada, a river island that was changed into a peninsula in Belgrade, Serbia
• Ada, Croatia, a village
• Ada, Serbia, a town and municipality

• 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 located in the state of Alaska

• Ada River, which can refer to different rivers
• 523 Ada, an asteroid

Schools

• Ada High School in Ohio, United States
• Ada Independent School District in Oklahoma, United States
• Ada, the National College for Digital Skills, a further education college in Tottenham Hale, London

Science and technology

• Ada, a type of digital money used on the Cardano technology system
• List of storms with the name Ada

• Ada (plant), a group of orchid plants
• Ada (protein), an enzyme that forms when bacterial cells are treated
• Adenosine deaminase, an enzyme that helps with purine metabolism

• Ada (computer virus), a type of harmful software
• Ada (programming language), a language that was inspired by Pascal and other programming languages

Ships

• Ada-class corvette: a type of ship designed to detect and stop submarines, created by Turkey
• Ada (1897 shipwreck): a wooden sailing ship that sank near Newcastle, New South Wales, Australia
• SS Ada (1905): a ship built to transport goods for the London and South Western Railway
• SS Ada Hancock

People

• Ada Lovelace (1815–1852), an early computer scientist often called the first computer programmer
• Ada (name), a name used for girls and as a family name, including a list of real people and fictional characters
• Ada of Caria (lived around 377 to 326 BCE), a ruler of ancient Caria and the adoptive mother of Alexander the Great

Other uses

• Ada Band, a music group from Indonesia that plays pop and rock styles
• Ada and Abere, a ceremonial sword used by leaders in Yorubaland and nearby areas of West Africa
• Ada Bridge, a bridge located in Belgrade, Serbia
• Ada (food), a traditional dish from the region of Kerala
• Ada Health, a company in Germany that creates medical technology
• Dangme language (ISO 639-2 and 639-3 code: ada), a language spoken in Ghana