Dagu
- Davi
- Daguerre
- Daguerre , Louis-Jacques-Mandé
- Daimler , Gottlieb Wilhelm
- Dale
- Dale , Sir Henry Hallett
- Dalén , Nils Gustaf
- Dalton
- Dalton , John
- Dalton's
- Dam , Carl Peter Henrik
- Dam, Carl Peter Henrik
- Dana , James Dwight
- Daniell , John Frederic
- Dansgaard , Willi