| DR | Dean Roberts | New Zealand musician |
|
Deathstroke | fictional character from Batman: Arkham Origins |
| D | Deb | fictional character from Napoleon Dynamite |
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Debbie Stabenow | American politician (born 1950) |
|
Deb Fischer | American politician (born 1951) |
| D | Decim | fictional character from Death Parade |
| D | Decoy | fictional character from People Just Do Nothing |
| DM | Dedra Meero | fictional character from Andor |
|
DeepSeek | A chatbot developed by DeepSeek company |
|
Deep South | cultural and geographic subregion in the Southern United States |
| DB | Del Boy | fictional character from Only Fools and Horses |
| D | Demetrius | fictional character from Stardew Valley |
|
demon | mythological and malevolent being prevalent in religion, occultism, mythology, and folklore |
| DI | Denethor II | fictional character from The Lord of the Rings |
|
Denise Crosby | American actress |
|
Dennis M. Ritchie | American computer scientist, co-inventor of the Unix operating system and the C programming language (1941–2011) |
| DN | Dennis Nilsen | Scottish serial killer (1945–2018) |
|
Dennis Rodman | American basketball player (born 1961) |
|
Dennis Schouten | Dutch reporter |
| DW | Dennis Whitaker | fictional character from The Pitt |
|
Denzel Curry | American rapper from Florida (born 1995) |
| DD | depersonalization disorder | dissociative disorder in which the sufferer is affected by persistent or recurrent feelings of depersonalization and/or derealization |
| D | derealization | feeling as though the external world is not real |
| DC | Derek Chauvin | European American former police officer who murdered George Floyd |
|
Derek Cianfrance | American film director and screenwriter (born 1974) |
|
Derek Fisher | American basketball player and coach |
| DM | Derek Morgan | fictional character from Criminal Minds |
|
Dermot Kennedy | Irish singer-songwriter |
|
Dermot Mulroney | American actor |
|
Derren Brown | British illusionist and writer |
|
Deryck Whibley | Canadian rock musician |
|
Desmond Tutu | South African churchman, politician, archbishop, Nobel Prize winner (1931–2021) |
|
Detroit | city in and county seat of Wayne County, and largest city in State of Michigan, United States |
| DS | Devin Stone | American lawyer and YouTuber (born 1983) |
| DS | Devin Strader | The Bachelorette season 21 contestant |
|
Devon Bostick | Canadian actor |
| DD | Dexter Dias | |
|
Dexter Holland | American rock musician |
|
Diablo Cody | American screenwriter and author (born 1978) |
|
Diana Muldaur | American actress |
|
Diana Ross | American singer and actress (1944-2026) |
|
Diane Abbott | British MP for Hackney North and Stoke Newington (born 1953) |
| DC | Diane Court | fictional character from Say Anything... |
|
Diane Kruger | German actress and model (born 1976) |
| DC | Dianne Coulston | fictional character from Trainspotting |
|
Dianne Feinstein | American politician (1933–2023) |
|
Dick Advocaat | Dutch association football player and manager |
|
Dick Durbin | United States Senator from Illinois |
|
Dick Grayson | fictional character from Harley |
|
Didius Julianus | 20th Emperor of the Roman Empire |