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), 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, one of the Eternals from Marvel Comics
- Ajax, a member of the Pantheon appearing in Marvel Comics
- Ajax (Francis Freeman), 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, a Genshin Impact playable character; see Tartaglia
Music
- A-Jax (band), a South Korean boy band
- Ajax (band), an electronic music band from New York City
- 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), a song by Tante Leen, 1969
- Ajax Records, a former North American record company
Other arts and entertainment
- Ajax (painting), a painting by John Steuart Curry
- Ajax (Disney), a fictional company (the Disney equivalent of Looney Tunes' Acme Corporation)
- A-Jax (video game), a 1987 Konami arcade game
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 (federal 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 (c. 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
- V.V. Ajax, a Surinamese football club
Other sports
- Aias Evosmou, a Greek sports club
- Ajax Kenitra, a Moroccan futsal (indoor football) club
- Ajax København, a Danish handball team
- Ajax (horse) (born 1901), a French Champion racehorse
- Ajax II (born 1934), an Australian Champion racehorse
Military
- HMS Ajax, several ships of the Royal Navy
- USS Ajax, several ships of the US Navy
- General Dynamics Ajax, a family of armoured fighting vehicles for the British Army
- 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), several train locomotives
- Ajax (motorcycle), manufactured in England between 1923 and 1924
- Ajax (crane barge), a floating crane used to install the Panama Canal locks
- 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
See also
- All pages with titles beginning with Ajax
- All pages with titles containing Ajax
- Nike Ajax, the world's first operational surface-to-air missile
- Ayaks, a hypersonic waverider aircraft program started in the Soviet Union