| dinosaurio | dinosaur |
| Dinosaurios emplumados | Feathered dinosaurs |
| Dinotopia | Dinotopia |
| dintel | lintel |
| dinámica | dynamics |
| Dinámica de fluidos | Fluid mechanics |
| Dinámica de los gases | Gas dynamics |
| dinámica de poblaciones | population dynamics |
| Dinámica de sistemas | System dynamics |
| Dinámica estelar | Stellar dynamics |
| Dinámica molecular | Molecular dynamics |
| dinámicamente | dynamically |
| dinámico | energetic |
| dinástico | dynastic |
| Diocleciano | Diocletian |
| diodo | diode |
| diodo de capacidad variable | varactor |
| Diodo de Gunn | Gunn diode |
| Diodo emisor de luz | Light-emitting diode |
| Diodo LED | Light-emitting diode |
| Diodo PIN | PIN diode |
| Diodo Schottky | Schottky diode |
| diodo varicap | varactor |
| Diodo Zener | Zener diode |
| Diodoro Sículo | Diodorus Siculus |
| Diofanto de Alejandría | Diophantus |
| Diogo Colon y Moniz Perestrello | Diego Colón |
| Diogo Cão | Diogo Cão |
| Diogo Freitas do Amaral | Diogo Freitas do Amaral |
| diol | diol |
| Diola | Jola people |
| Diolkos | Diolkos |
| Diomedea | Great albatross |
| Diomedea amsterdamensis | Amsterdam Albatross |
| Diomedea antipodensis | Antipodean Albatross |
| Diomedea epomophora | Southern Royal Albatross |
| Diomedeidae | Albatross |
| Diomedes | Diomedes |
| Diomidis Kiriakos | Diomidis Kiriakos |
| Dion Casio | Cassius Dio |
| Dion Crisóstomo | Dio Chrysostom |
| Dion DiMucci | Dion DiMucci |
| Dione | Dione |
| Dionicio Castellanos | Dionicio Castellanos |
| Dionigi Tettamanzi | Dionigi Tettamanzi |
| Dionisia | Denise |
| Dionisias | Dionysia |
| Dionisio | Dennis |
| Dionisio Aguado y García | Dionisio Aguado |
| Dionisio de Alejandría | Pope Dionysius of Alexandria |
| Dionisio de Halicarnaso | Dionysius of Halicarnassus |
| Dionisio de París | Denis |
| Dionisio el Exiguo | Dionysius Exiguus |
| Dionisio Herrera | Dionisio de Herrera |
| Dionisio I de Portugal | Denis of Portugal |
| Dionisio I de Siracusa | Dionysius I of Syracuse |
| Dionisio II de Siracusa | Dionysius II of Syracuse |
| Dionisio Periegeta | Dionysius Periegetes |
| Dioniso | Dionysus |
| Dionisos Solomos | Dionysios Solomos |
| Dionne Warwick | Dionne Warwick |
| Diopsittaca nobilis | Red-shouldered Macaw |
| dioptasa | dioptase |
| Dior Eluchíl | Dior Eluchíl |
| diorama | diorama |
| diorita | diorite |
| Dios | God |
| Dios del cabo Artemisio | Poseidon of Cape Artemision |
| Dios del Sol | Solar deity |
| Dios Emperador de Dune | God Emperor of Dune |
| Dios mío | gosh |
| Dios no lo quiera | god forbid |
| Dios Padre | God the Father |
| Dios solar | Solar deity |
| diosa | goddess |
| Diosa madre | Mother goddess |
| Dioscoreaceae | Dioscoreaceae |
| Dioscoreales | Dioscoreales |
| Dioscuros | Castor and Pollux |
| Dioscórides | Pedanius Dioscorides |
| Diosdado Macapagal | Diosdado Macapagal |
| Dioses arquetípicos | Elder God |
| Dioses de Reinos Olvidados | List of Forgotten Realms deities |
| Dioses del mar de la mitología griega | Greek sea gods |
| Dioses del viento griegos | Anemoi |
| Dioses menores | Small gods |
| Dioses olímpicos | Twelve Olympians |
| Dioses primordiales de la mitología griega | Greek primordial gods |
| Diospyros | Diospyros |
| Diospyros digyna | Black sapote |
| Diospyros kaki | Japanese persimmon |
| Dioula | Dioula language |
| dioxina | dioxin |
| dioxina de polychlordibenzo-p | polychlordibenzo-p-dioxin |
| dioxinas | dioxin |
| Dipa Nusantara Aidit | Dipa Nusantara Aidit |
| Dipendra de Nepal | Dipendra of Nepal |
| Diplocaulus | Diplocaulus |
| Diplodocidae | Diplodocid |
| Diplodocoidea | Diplodocoidea |
| Diplodocus | Diplodocus |
| diploide | diploid |
| diploidía | diploidy |
| diploma | diploma |
| diploma de escuela secundaria | high school diploma |
| diplomacia | diplomacy |
| Diplomacy | Diplomacy |
| diplomada | postgraduate |
| diplomado | graduate |
| Diplomas de Español como Lengua Extranjera | Diplomas de Español como Lengua Extranjera |
| diplomatico | diplomatic |
| Diplomonadida | Diplomonad |
| Diplomystes | Diplomystes |
| diplomática | diplomat |
| diplomático | politic |
