DDO may refer to:
Science and technology
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David Dunlap Observatory Catalogue, a catalogue of dwarf galaxies that was published in 1959
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DDO (gene)
D-aspartate oxidase is an enzyme that is encoded by the ''DDO'' gene.
The protein encoded by this gene is a peroxisomal flavoprotein that catalyzes the oxidative deamination of D-aspartate and ''N''-methyl D-aspartate. Flavin adenine dinucleotide ...
, that encodes the D-aspartate oxidase enzyme
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Distant detached objects, class of minor planets in the outer reaches of the Solar System
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Dynamic Drive Overlay, a software technique to extend a system BIOS
Games
* ''
Dungeons & Dragons Online
''Dungeons & Dragons Online'' is a massively multiplayer online role-playing game (MMORPG) developed by Turbine for Microsoft Windows and OS X. The game was originally marketed as ''Dungeons & Dragons Online: Stormreach''. Upon switching to a h ...
'', a massively multiplayer online role-playing game
Titles
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Deputy Director for Operations
The deputy director of the CIA for operations is a senior United States government official in the U.S. Central Intelligence Agency who serves as head of the Directorate of Operations. The position was established December 1, 1950 and from Janua ...
, particularly as the title of a specific CIA official; cf. article
** The above title is sometimes incorrectly rendered as ''Deputy Director of Operations''; especially this latter term is also in generic use as the title of officials in business or other organizations.
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Director of Operations, particularly in francophone environments, from the French ''Directeur Des Opérations''.
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Diocesan Director of Ordinands
Ordination is the process by which individuals are consecrated, that is, set apart and elevated from the laity class to the clergy, who are thus then authorized (usually by the denominational hierarchy composed of other clergy) to perform vario ...
, a priest in a Church of England diocese overseeing the ordination process
Other
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DDO Artists Agency, a talent agency
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Dollard-des-Ormeaux, on-island suburb of Montreal in southwestern Quebec, Canada
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Tsez language
Tsez, also known as Dido (Tsez: () or ()), is a Northeast Caucasian language with about 15,000 speakers (15,354 in 2002) spoken by the Tsez, a Muslim people in the mountainous Tsunta District of southwestern Dagestan in Russia. The name is sai ...
, by ISO 639-3 code
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Den Danske Ordbog, a dictionary of Danish
See also
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