Globally, D (D 
, Д 
, دي 
, along with others...) is a widespread unisex first name. The first name D is habitual in the United Kingdom, where it is quite a common unisex name, Australia, and Indonesia. In absolute terms, it is the most numerous in Indonesia, the United Kingdom, and the United States. Likewise, D is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| D | United Kingdom, Netherlands, Indonesia, Canada, China |
| Д | Kazakhstan, Ukraine, Kyrgyzstan, China, Russia |
| دي | Iran, Saudi Arabia, Egypt, Sudan, Iraq |
| Д. | Kazakhstan, Bulgaria, Serbia, China, Russia |
| די | Israel |
D is also a name for the fictitious and mythical characters: John D. Rockerduck , the Disney comics character, The Life and Times of Scrooge McDuck; Seymore D. Fair , the mascot of the 1984 Louisiana World Exposition; D. L. Hawkins , the fictional character on the NBC science fiction drama series Heroes; D.B. Russell , the fictional character from the CBS crime drama CSI, CSI: Crime Scene Investigation and D.A.V.E. , character in The Batman, among other works.
| d bech 1609–1677, SE (b. 1609) |
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de robigne mortimer bennett American publisher (1818-1882), US (b. 1818) |
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| d hossack IN (b. 1762) |
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| d w h speed IN (b. 1791) |
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douwinus johannes van houten politician, NL (b. 1861) |
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| david a. fisher American mayor, US (b. 1840) |
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dirk vollenhoven Dutch philosopher, NL (b. 1892) |
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| d j. dodge American politician – Minnesota -- "D.J." House 1881-82 (District 13), US (b. 1845) |
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david blackwell American mathematician, US (b. 1919) |
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daniel donald wozniak, sr. Chief Judge Minnesots Court of Appeals (1922-2005), US (b. 1922) |
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| daniel walter Austrian German scholar, linguist, contributing editor and parapsychologist, CZ (b. 1875) |
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| de lanson alson newton chase American politician, US (b. 1875) |
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donn alan pennebaker American filmmaker (1925-2019), US (b. 1925) |
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elmore d Belgian musician, BE (b. 1946) |
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| d sayed hussein IN (b. 1888) |
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