Ultra may refer to:

Science and technology

Ultra (cryptography) Ultra was the designation adopted by United Kingdom, British military intelligence in June 1941 for wartime signals intelligence obtained by breaking high-level encrypted enemy radio and teleprinter communications at the Government Code and Cyp ...

, the codename for cryptographic intelligence obtained from signal traffic in World War II * Adobe Ultra, a vector-keying application * Sun Ultra series, a brand of computer workstations and servers * ULTRA (machine translation system), a machine translation system

Music

* Ultra (British band), an English pop band * Ultra Music Festival, an annual electronic festival in Miami, Florida * Ultra Worldwide, a series of annual electronic music festivals each called Ultra * Ultra, a collaboration between two members of hip hop group Ultramagnetic MCs, who released the album ''Big Time'' * Ultra (music), a post-punk movement in the Netherlands * Ultra house, a music place in Handen, Sweden * Ultra Records, a record label

Albums and songs

* ''Ultra'' (Depeche Mode album), 1997 * ''Ultra'' (Laura Põldvere album), 2009 * ''Ultra'' (Ultra album), 1999 * ''Ultra'' (Zomby album), 2016 * ''Ultra'', by Mickey Kojak, 2022 * ''Ultra'', by Schaft, 2016 * "Ultra", a song by KMFDM, 1994 * "Ultra", a song by Stray Kids from '' Hop'', 2024

Politics

Ultra (Malaysia) During the 1960s in Malaysia and Singapore, some racial extremists were referred to as "ultras". The phrase was most commonly used by the first Prime Minister of Singapore, Prime Minister of Singapore, Lee Kuan Yew, and other leaders of his politi ...

, a Malaysian group of racial extremists * ULTRA (UK agency), the Unrelated Live Transplant Regulatory Authority, a defunct UK government regulatory body *

Ultra-royalist The Ultra-royalists (, collectively Ultras) were a Politics of France, French political faction from 1815 to 1830 under the Bourbon Restoration in France, Bourbon Restoration. An Ultra was usually a member of the nobility of high society who str ...

s or Ultras, a reactionary group after Napoleon's defeat

Sport

* Ultras, football fans renowned for ultra-fanatical support, sometimes to the point of violence * The ULTRA (University of Life Training and Recreational Arena), former name for the PhilSports Arena in Pasig, Philippines * Ultra Motorsports, a NASCAR team that ran from 1995–2005 * Ultra running, endurance races at distances typically beyond marathon

Fiction

* ''Ultra'' (film), a 1991 Italian drama film * ''Ultra'' (comics), a miniseries by Image Comics * ''

Ultra Series The , also known as ''Ultraman'', is a Japanese science fiction media franchise owned and produced by Tsuburaya Productions, which began with the television series ''Ultra Q'' in 1966. The franchise has expanded into many television shows, fil ...

'', the Ultraman franchise * Ultra the Multi-Alien, a DC Comics superhero

Other uses

* ''Ultra'' (magazine), avant-garde Finnish-Swedish magazine in Finland * ''Ultra'' (podcast), a 2022 Rachel Maddow podcast series chronicling U.S. right-wing extremism during the 1930s and 1940s * ULTra (rapid transit), a personal rapid transit system deployed at London Heathrow airport * Ultra (TV channel), a Serbian children's channel * Ultra Electronics, a British defence and aerospace company * Ultra Games, a subsidiary of Konami of America * Ultra-prominent peak, a mountain with a topographic prominence of at least 1,500 metres * Ultra Food & Drug, a defunct supermarket chain in Ontario, Canada * Ultra Distributors, a home video distribution company in India * Ultra Jhakaas, a OTT platform * Ultra Media & Entertainment, a film production company * Unmanned Long-endurance Tactical Reconnaissance Aircraft, a developmental unmanned aerial vehicle