| Quoted Person | Number of Quotes |
| D. Gries | 1 |
| D.H. Lawrence | 6 |
| Dalai Lama | 1 |
| Dale Carnegie | 15 |
| Dan Bennett | 1 |
| Dan Fylstra | 1 |
| Dan Quayle | 3 |
| Dan Quisenberry | 1 |
| Dan Rather | 1 |
| Daniel Defoe | 1 |
| Daniel Webster | 19 |
| Danish proverb | 1 |
| Dante Alighieri | 6 |
| Dante Gabriel Rossetti | 1 |
| Darryl F. Zanuck | 1 |
| Dave Barry | 100 |
| Dave Storer | 1 |
| David Brainerd | 1 |
| David Brooks | 1 |
| David Fincher | 1 |
| David Gemmell | 3 |
| David Grayson | 1 |
| David Hume | 1 |
| De Valois | 1 |
| Dean Acheson | 2 |
| Debby Jones | 1 |
| Delos McKown | 1 |
| Denis Diderot | 1 |
| Dennis M. Ritchie | 1 |
| Dennis Potter | 1 |
| Denzel Washington | 1 |
| Desiderius Erasmus | 2 |
| Desmond Morris | 1 |
| Diana Schneider | 1 |
| Dick Brandon | 1 |
| Dick Cheney | 7 |
| Dick Hubbard | 1 |
| Dick Vertleib | 1 |
| Dietrich Bonhoffer | 1 |
| Dizzy Dean | 1 |
| Dizzy Gillespie | 1 |
| Don Leary | 1 |
| Donald Knuth | 1 |
| Dorothy Canfield Fisher | 1 |
| Dorothy Parker | 23 |
| Dorothy Sayers | 2 |
| Doug Larson | 6 |
| Doug Plank | 1 |
| Douglas Adams | 11 |
| Douglas MacArthur | 6 |
| Douglas Sirk | 1 |
| Dr. Edward Hallowell | 1 |
| Dr. L. Binder | 1 |
| Dudley Malone | 1 |
| Dwight Eisenhower | 50 |
| Dwight L. Moody | 1 |