Odd means unpaired, occasional, strange or unusual, or a person who is viewed as eccentric. Odd may also refer to:

Acronym

* ODD (Text Encoding Initiative) ("One Document Does it all"), an abstracted literate-programming format for describing XML schemas *

Oodnadatta Airport Oodnadatta Airport is an aerodrome that services Oodnadatta, South Australia, Australia. History It was utilised by the Royal Australian Air Force's No. 34 Squadron to courier equipment and stores, transport troops and utilised by RAAF and Un ...

(IATA: ODD), South Australia *

Oppositional defiant disorder Oppositional defiant disorder (ODD) is listed in the DSM-5 under ''Disruptive, impulse-control, and conduct disorders'' and defined as "a pattern of angry/irritable mood, argumentative/defiant behavior, or vindictiveness". This behavior is us ...

, a mental disorder characterized by anger-guided, hostile behavior *

Operational due diligence Operational due diligence (ODD) is the process by which a potential purchaser reviews the operational aspects of a target company during mergers and acquisitions. Most often ODDs are conducted in the industrial sector. Process The ODD review look ...

* Operational Design Domain (ODD) in case of autonomous cars *

Optical disc drive In computing, an optical disc drive is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs. Some drives can only r ...

* ''ODD'', a 2007 play by Hal Corley about a teenager with oppositional defiant disorder

Mathematics

Even and odd numbers In mathematics, parity is the property of an integer of whether it is even or odd. An integer is even if it is a multiple of two, and odd if it is not.. For example, −4, 0, 82 are even because \begin -2 \cdot 2 &= -4 \\ 0 \cdot 2 &= 0 \\ 41 ...

, an integer is odd if dividing by two does not yield an integer * Even and odd functions, a function is odd if ''f''(−''x'') = −''f''(''x'') for all ''x'' * Even and odd permutations, a permutation of a finite set is odd if it is composed of an odd number of transpositions

Ships

* HNoMS ''Odd'', a

Storm-class patrol boat The ''Storm''-class patrol boat was a series of fast patrol boats (FPB) consisting of 20 vessels built for the Royal Norwegian Navy. In Norwegian these boats were called ''missilkanonbåter'' (MKB) meaning boats with missiles and guns. They were ...

of the Royal Norwegian Navy * , a Norwegian whaler

Other

Odd (name) Odd, a name of Old Norse origin (''Oddr''), the 11th most common male name in Norway. It is rarely used in other countries, though sometimes appearing in other Nordic countries. In Old Norse the word means sharp end of an arrow or edge of blade. An ...

, a male name common in Norway * ''Odd'' (Shinee album), an album by the South Korean boy band Shinee *

Odd, West Virginia Odd is an unincorporated rural hamlet in Raleigh County, West Virginia, United States. It is located along Tommy Creek. Only a post office is located there, with small residences spread along the nearby roads. History The community's unusual ...

, U.S., an unincorporated community *

Odd Della Robbia ''Code Lyoko'' () is a French animated television series created by Thomas Romain and Tania Palumbo and produced by Antefilms Production (season 1) and MoonScoop Group (seasons 2-4) for France 3 and Canal J, with the participation of Conseil G� ...

, a character in the animated television series ''Code Lyoko'' * Odd Fellowship, a fraternal order * Odd Grenland, a Norwegian football team * Odd Thomas (character), a character in a series of novels by Dean Koontz * Odd and the Frost Giants, a book by Neil Gaiman * ''Odd'', a science fiction short story by John Wyndham in the collection '' The Seeds of Time'' * "Odd", a song by Loona Odd Eye Circle from '' Mix & Match''

Acronym

Mathematics

Ships

Other

See also