D
- Nick Darke, playwright
- Frederick Hamilton Davey, botanist
- Sir Humphry Davy, scientist, inventor and President of the Royal Society
- Anne Dowriche, historian, poet and protestant writer
- Daphne du Maurier, novelist
- Edwin Dunkin, FRS, President of the Royal Astronomical Society and the Royal Institution of Cornwall
- John Dyer, painter
Read more about this topic: List Of People From Cornwall