OO or oo may refer to:
Science and technology
*
ʻŌʻō
__NOTOC__
''Moho'' is a genus of extinct birds in the Hawaiian bird family, Mohoidae, that were endemic to the Hawaiian Islands. Members of the genus are known as ''ōō'' in the Hawaiian language. Their plumage was generally striking glossy bl ...
, an extinct bird of the genus ''Moho''
*
Object-oriented programming
Object-oriented programming (OOP) is a programming paradigm based on the concept of "objects", which can contain data and code. The data is in the form of fields (often known as attributes or ''properties''), and the code is in the form of pr ...
, a computer programming paradigm
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O.O (also O.o or o.O), an emoticon to represent two eyes and a nose or mouth
Transportation
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SkyWest Airlines
SkyWest Airlines is an American regional airline headquartered in St. George, Utah, United States. SkyWest is paid to staff, operate and maintain aircraft used on flights that are scheduled, marketed and sold by a partner mainline airline. The ...
(IATA code: OO)
* Belgium (
aircraft registration prefix: OO)
*
Old Oak Common TMD, a carriage shed (Network Rail depot code: OO)
Places
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Oô
Oô (; oc, Òu) is a commune in the Haute-Garonne department in the Occitanie region in southwestern France. It borders Spain
, image_flag = Bandera de España.svg
, image_coat = Escudo de España (mazonado).svg
, nat ...
, a commune in France
*
Oo, Indonesia
Art and entertainment
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''OO'' (EP), album by South Korean singer Zion.T
* OO, the production code for the 1967 ''Doctor Who'' serial ''
The Ice Warriors
''The Ice Warriors'' is the partly missing third serial of the fifth season of the British science fiction television series ''Doctor Who'', which was first broadcast in six weekly parts from 11 November to 16 December 1967.
In this serial, the ...
''
*
"O.O" (song), a song by South Korean girl group
NMIXX
Other uses
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Oo (digraph)
This is a list of digraphs used in various Latin alphabets. Capitalisation involves only the first letter (''ch'' becomes ''Ch'') unless otherwise stated (''ij'' becomes ''IJ'').
Letters with diacritics are arranged in alphabetic order accordin ...
, a digraph in orthography
* ‘O‘o stick, a traditional Hawaiian
digging bar
*
Original Oratory, a competitive event in high school forensic competitions
*
Oakley, Inc.
Oakley, Inc., based in Lake Forest, California, is an American company operating as an independent subsidiary of Luxottica . The company designs, develops and manufactures sports performance equipment and lifestyle pieces including sunglasses, ...
(NYSE stock ticker symbol: OO), subsidiary of Italian company Luxottica
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OO gauge, a 1:76.2 modelling scale in model railroading
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Official Observer, an appointed amateur radio operator
*
Orange Order
The Loyal Orange Institution, commonly known as the Orange Order, is an international Protestant fraternal order based in Northern Ireland and primarily associated with Ulster Protestants, particularly those of Ulster Scots heritage. It also ...
, a protestant fraternal order based in Northern Ireland
See also
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Double-O, producer and half of hip-hop duo o in the Hallo
*
Infinity symbol (∞)
*
00 (disambiguation)
00, a double zero, may refer to:
* '' '00'', album by the alternative rock band Judybats, released in 2000
*The year 1900
* The year 2000
*The year 2100
* 00 Agent, an agent with a license to kill in the ''James Bond'' media
* 00 gauge, a stand ...
*
O0 (disambiguation)
*
OOO (disambiguation)
*
ᅇ, an obsolete unit of the Hangul alphabet
*
0-0 (disambiguation)
0-0 or O-O may refer to:
* Emoticon for a person who wears glasses
* An informal instruction to watch the conductor of an orchestra, seen in orchestral parts
* Kingside castling in chess notation
*Nothing from Nothing (disambiguation), songs
*''Ob ...
* ⚭,
marriage
Marriage, also called matrimony or wedlock, is a culturally and often legally recognized union between people called spouses. It establishes rights and obligations between them, as well as between them and their children, and between ...
symbol
{{disambiguation