UU or uu may refer to:
UUCP is an abbreviation of Unix-to-Unix Copy. The term generally refers to a suite of computer programs and protocols allowing remote execution of commands and transfer of files, email and netnews between computers.
Uu... Kodathara? Ulikki Padathara? (English Translation: A Knock? Will Exit?) (alternative spelling: Oo Kodathara?
Uummannaq Island (Greenlandic: Uummannap qeqertaa) is a small (12 km2) island in the Qaasuitsup municipality in northwestern Greenland.
UUNET, founded in 1987, was one of the largest Internet service providers and one of the early Tier 1 networks.
Uuencoding is a form of binary-to-text encoding that originated in the Unix programs uuencode and uudecode written by Mary Ann Horton at UC Berkeley 6/1/1980, for encoding binary data for transmission email systems.
Uummannaq is a town in the Qaasuitsup municipality, in northwestern Greenland. With 1,282 inhabitants in 2013, it is the eleventh-largest town in Greenland, and is home to the country's most northerly ferry terminal.
Uusimaa or Nyland (Finnish: [ˈuːsimɑː]; Swedish: [ˈnyːland]; both names mean “new land”) is a region in Finland.
Uuden Musiikin Kilpailu (abbreviated UMK, English: New Music Competition) is a contest for new music organised by the Finnish broadcaster, Yle.
Uusikaupunki (Finnish pronunciation: [ˈuːsiˌkɑupuŋki], Swedish: Nystad), is a town and municipality of Finland.