| diode | diodo |
| diode valve | diodo |
| Diodorus Siculus | Diodoro Siculo |
| Diodotus Tryphon | Diodoto Trifone |
| Diogenes | Diogene |
| Diogenes Apolloniates | Diogene di Apollonia |
| Diogenes Laërtius | Diogene Laerzio |
| Diogenes of Sinope | Diogene di Sinope |
| Diogo Dias | Diogo Dias |
| Diogo Freitas do Amaral | Diogo Freitas do Amaral |
| dioicus | dioico |
| Diomede Islands | Isole Diomede |
| Diomedes | Diomede |
| Diomedes King of Thrace | Diomede |
| Dion Fortune | Dion Fortune |
| Dion of Syracuse | Dione di Siracusa |
| Dioncophyllaceae | Dioncophyllaceae |
| Dione | Dione |
| Dionicio Castellanos | Dionicio Castellanos |
| Dionigi Tettamanzi | Dionigi Tettamanzi |
| Dionisio Aguado | Dionisio Aguado |
| Dionisius | Papa Dionisio |
| Dionne Warwick | Dionne Warwick |
| Dionysia | Dionisie |
| Dionysios Solomos | Dionysios Solomos |
| Dionysius | Dioniso |
| Dionysius Exiguus | Dionigi il Piccolo |
| Dionysius I of Syracuse | Dionigi I di Siracusa |
| Dionysius II of Syracuse | Dionigi II di Siracusa |
| Dionysius of Alexandria | San Dionisio di Alessandria |
| Dionysius of Halicarnassus | Dionigi di Alicarnasso |
| Dionysius Thrax | Dionisio Trace |
| Dionysos | Dioniso |
| Dionysus | Dioniso |
| Dioon edule | Dioon edule |
| Diophanes of Nicaea | Diofane di Nicea |
| Diophantine | diofanteo |
| Diophantine equation | equazione diofantea |
| Diophantine set | Teorema di Matiyasevich |
| Diophantus | Diofanto |
| dioptase | dioptasio |
| diopter | diottria |
| Dior Eluchíl | Dior |
| diorama | diorama |
| diorite | diorite |
| Dioscoreaceae | Dioscoreaceae |
| Dioscorus | Antipapa Dioscuro |
| Diosdado Macapagal | Diosdado Macapagal |
| Diospyros | Diospyros |
| Diotima of Mantinea | Diotima |
| Dioula language | Lingua dioula |
| dioxide | diossido |
| dioxin | diossine |
| dip | bagnare |
| DIP switch | DIP switch |
| Dip-coating | Dip coating |
| Dipa Nusantara Aidit | Dipa Nusantara Aidit |
| Dipankara | Dipamkara Buddha |
| Dipendra of Nepal | Dipendra Bir Bikram Shah Dev |
| diphenol | difenolo |
| Diphenylamine | Difenilammina |
| diphosphatase | difosfatasi |
| Diphteria | Difterite |
| diphtheria | difterite |
| diphthong | dittongo |
