UU or uu may refer to:

Businesses

United Utilities United Utilities Group plc (UU), the United Kingdom's largest listed water company, was founded in 1995 as a result of the merger of North West Water and NORWEB. The group manages the regulated water and waste water network in North West Engla ...

(LSE stock symbol UU) *

Air Austral Air Austral is a French airline, based at the Roland Garros Airport, in the Indian Ocean. It operates scheduled services from Réunion to metropolitan France, South Africa, Thailand, India and a number of destinations in the Indian Ocean. The c ...

(IATA airline code UU)

Language

* "''uu''", an old way of spelling the letter " w" in certain Germanic languages, including Old English * The letter combination of uu

Science and technology

UUNET UUNET, founded in 1987, was one of the largest Internet service providers and one of the early Tier 1 networks. It was based in Northern Virginia and was one of the first commercial Internet service providers. Today, UUNET is an internal brand ...

, Internet Service Provider commonly referred to as 'UU' *

Unique user Website popularity is commonly determined using the number of unique users, and the metric is often quoted to potential advertisers or investors. A website's number of unique users is usually measured over a standard period of time, typically a m ...

s, may be counted as part of web analytics in determining the popularity of a website * UMTS air interface or "Uu interface", which links User Equipment to the UMTS Terrestrial Radio Access Network * Unix-to-Unix, as in uuencode, a data transport encoding ** .uu, a compressed archive file extension, associated with uuencode

Universities

Ulster University sco, Ulstèr Universitie , image = Ulster University coat of arms.png , caption = , motto_lang = , mottoeng = , latin_name = Universitas Ulidiae , established = 1865 – Magee College 1953 - Magee Un ...

in Northern Ireland *

University of Utah The University of Utah (U of U, UofU, or simply The U) is a public research university in Salt Lake City, Utah. It is the flagship institution of the Utah System of Higher Education. The university was established in 1850 as the University of De ...

in Salt Lake City, Utah, United States *

Uppsala University Uppsala University ( sv, Uppsala universitet) is a public research university in Uppsala, Sweden. Founded in 1477, it is the oldest university in Sweden and the Nordic countries still in operation. The university rose to significance during ...

in Sweden *

Utrecht University Utrecht University (UU; nl, Universiteit Utrecht, formerly ''Rijksuniversiteit Utrecht'') is a public research university in Utrecht, Netherlands. Established , it is one of the oldest universities in the Netherlands. In 2018, it had an enrollme ...

in the Netherlands *

Uttaranchal University Uttaranchal University is located at Dehradun, Uttarakhand, India near Indian Military Academy. It was established by an Act of the Uttarakhand Legislative Assembly The Uttarakhand Legislative Assembly, also known as the Uttarakhand Vidhan ...

in Uttarakhand, India

Other uses

Union of Utrecht (Old Catholic) The Union of Utrecht of the Old Catholic Churches, most commonly referred to by the short form Union of Utrecht, is a federation of Old Catholic churches, nationally organized from schisms which rejected Roman Catholic doctrines of the First ...

, a federation of Old Catholic churches *

Unitarian Universalism Unitarian Universalism (UU) is a liberal religion characterized by a "free and responsible search for truth and meaning". Unitarian Universalists assert no creed, but instead are unified by their shared search for spiritual growth, guided by ...

, a theologically liberal religion characterized by its support for a "free and responsible search for truth and meaning." *

Unseen University The Unseen University (UU) is a school of wizardry in Terry Pratchett's ''Discworld'' series of Fantasy literature, fantasy novels. Located in the fictional city of Ankh-Morpork, the UU is staffed by a faculty composed of mostly indolent and ine ...

, in the fictional ''Discworld'' novels of Terry Pratchett *UU, the production code for the 1968 ''Doctor Who'' serial ''

The Mind Robber ''The Mind Robber'' is the second serial of the sixth season of the British science fiction television series ''Doctor Who'', which was first broadcast in five weekly parts from 14 September to 12 October 1968. The serial is set outside of time ...

'' *

U'u The U'u is a war club of the Marquesas Islands. Uses in Marquesas Cut from iron wood, its shape and large size distinguishes it from other Pacific gunstocks. It was reserved for a caste of warriors who were assisting allied tribes. The club sh ...

a war club from Marquesas Islands *

Undead Unluck is a Japanese manga series written and illustrated by Yoshifumi Tozuka. It has been serialized in Shueisha's ''Weekly Shōnen Jump'' magazine since January 2020, with its chapters collected in 15 ''tankōbon'' volumes as of February 2023. An ...

a shorthand for the manga by Yoshifumi Tozuka.

Businesses

Language

Science and technology

Universities

Other uses

See also