Ajax may refer to:

Greek mythology and tragedy

* Ajax the Great, a Greek mythological hero, son of King Telamon and Periboea * Ajax the Lesser, a Greek mythological hero, son of Oileus, the king of Locris * Ajax (play), ''Ajax'' (play), by the ancient Greek tragedian Sophocles, about Ajax the Great

Arts and entertainment

Fictional characters

* Ajax Duckman, in the animated television series ''Duckman'' * Marvel Comics: ** Ajax the Greater, another name for Ajak, one of the Eternals from Marvel Comics ** Ajax the Lesser, another name for Arex, List of Eternals, one of the Eternals from Marvel Comics ** Ajax, a member of the Pantheon appearing in List of Marvel Comics characters: A#Ajax, Marvel Comics ** Ajax (Francis Fanny), a fictional supervillain first appearing in ''Deadpool'' #14 * Martian Manhunter, a DC Comics superhero called Ajax in Brazil and Portugal * Ajax, a ''Call of Duty: Black Ops 4'' operative * Ajax, from the video game ''Genshin Impact''

Music

* A-Jax (band), a South Korean boy band * Ajax (band), an electronic music band from New York City * Ajax (opera), ''Ajax'' (opera), by the French composer Toussaint Bertin de la Doué * DJ Ajax (1971-2013; born Adrian Thomas), an Australian electro mashup DJ * Lisa Ajax (born 1998), Swedish singer * Ajax (song), "Ajax" (song), a song by Tante Leen, 1969 * Ajax Records, a former North American record company

Other arts and entertainment

* Ajax (painting), ''Ajax'' (painting), a painting by John Steuart Curry * Ajax (Disney), a fictional company (the Disney equivalent of Looney Tunes' Acme Corporation) * Wonder Man (DC Comics)#Ajax, Ajax, a Superman robot used by Wonder Man to hide his identity

Computing

* Ajax (floppy disk controller), a floppy disk controller fitted to the Atari STE * Ajax (programming), Asynchronous JavaScript and XML, a method used in web application development, and a software framework for it

Places

Canada

* Ajax (electoral district), in the Durham Region of Ontario * Ajax (provincial electoral district), in Ontario * Ajax, Ontario, a town in the Greater Toronto Area

United States

* Ajax, Louisiana, an unincorporated community * Ajax, Missouri, a ghost town * Ajax Peak, a summit near Telluride, Colorado * Ajax, South Dakota, an unincorporated community * Ajax, Utah, a ghost town * Ajax, Virginia, an unincorporated community * Ajax, West Virginia, an unincorporated community * Aspen Mountain (Colorado), also known as Ajax Mountain

Elsewhere

* Mount Ajax, part of the Admiralty Mountains, Victoria Land, Antarctic * 1404 Ajax, an asteroid

People

* Ajax (missionary), Arian missionary who converted the Suevi to Christianity ( 466) * Ajax, pen name of Sidney William Jackson (1873–1946), Australian naturalist and ornithologist * Ajax, nickname of Heinrich Bleichrodt (1909–1977), German World War II U-boat commander

Sport

Association football, soccer

* AFC Ajax, a football club in Amsterdam, Netherlands * Ajax Cape Town F.C., a South African football club * Ajax Futebol Clube, a Brazilian football club * Ajax de Ouenzé, a Congolese football club * FC Ajax Lasnamäe, an Estonian football club * Ajax Orlando Prospects, American soccer team from Orlando, Florida, a.k.a. Ajax America * Ajax America Women, American women's soccer team from California * Aias Salamina F.C., a football club in Salamina, Greece * Ajax Sportsman Combinatie, a cricket and football club in Leiden, Netherlands * Rabat Ajax F.C., a Maltese football club * Unión Ájax, a football club in Trujillo, Honduras * Ajax Paramaribo, Voetbal Vereniging Ajax, a Surinamese football club

Other sports

* Ajax Kenitra, a Moroccan futsal (indoor football) club * Ajax Heroes, Ajax København, a Danish handball team * Ajax (horse) (born 1901), a French Champion racehorse * Ajax II (born 1934), an Australian Champion racehorse

Military

* , several ships of the Royal Navy * , several ships of the US Navy * General Dynamics Ajax, a family of armoured fighting vehicles for the British Army * Operation ajax, Operation Ajax, the 1953 Iranian coup d'état

Transport

* Ajax (1906 automobile), a Swiss automobile * Ajax (1913 automobile), a French automobile by the American Briscoe brothers * Ajax (1914 automobile), an American automobile by Ajax Motors Co. of Seattle, Washington * Ajax (1921 automobile), an American prototype that was not produced * Ajax (Nash Motors), an automobile brand of Nash Motors, 1925–1926 * Ajax (locomotive), ''Ajax'' (locomotive), several train locomotives * Ajax (motorcycle), manufactured in England between 1923 and 1924 * Ajax (crane barge), ''Ajax'' (crane barge), a floating crane used to install the Panama Canal locks * Ajax (ship), ''Ajax'' (ship), various ships * Ajax GO Station, a train and bus station in Ajax, Ontario, Canada * Ajax Motors Co., an American carmaker, manufacturer of the Ajax (1914 automobile)

Other uses

* Ajax (cleaning product), a brand of household cleaning products * AFC Ajax N.V., a sports company associated with AFC Ajax * Kanichee Mine, Temagami, Ontario, also known as Ajax Mine * Ajax High School, a public high school in Ajax, Ontario, Canada * AJAX furnace, a type of open hearth furnace