| Cy Denneny | Cyaniris argianus | Cyaniris semiargus |
| Cyanistes caeruleus | Cyanobacteria | Cyanocitta cristata |
| Cyanococcus | Cyanophyta | Cyberpunk 2077 |
| CyberWISER Light | Cycadales | Cycadophyta |
| Cycadopsida | Cyclamen | Cyclone Taylor |
| Cyclone Taylor Award | Cyclone Taylor Trophy | Cyclopaedia, or Universal Dictionary of Arts and Sciences |
| Cyclopterus | Cyclopterus lumpus | Cyclosa conica |
| Cyclosa strandjae | Cyclosternum fasciatum | Cydalima perspectalis |
| Cydia amplana | Cydia funebrana | Cydia molesta |
| Cydia nigricana | Cydia nigricana asiatica | Cydia pomonella |
| Cydia pomonella simpsonii | Cydia pyrivora | Cydonia oblonga |
| Cydonie Mothersille | Cygnini | Cygnus |
| Cygnus cygnus | Cygnus olor | Cygnus olor immutabilis |
| Cygnus X-1 | Cygwin | Cylindropuntia |
| Cylindropuntia acanthocarpa | Cymbidium pallens | Cymru |
| Cynar | Cynara cardunculus | Cyndi Lauper |
| Cynocephalidae | CYP | Cyprian Kamil Norwid |
| Cyprian Norwid | Cyprinidae | Cypriniformes |
| Cyprinus aphya | Cyprinus carpio | Cyprinus morella |
| Cyprinus phoxinus | Cypripedium calceolus | Cyprus |
| Cyr-Auguste-Marie-Emile-Henri de Lafond | Cyril A. Clowes | Cyril Albert Clowes |
| Cyril Arthur Lyon | Cyril B. B. White | Cyril Brudenell Bingham White |
| Cyril Burt | Cyril Clowes | Cyril Collier Duchesné |
| Cyril Colnik | Cyril Dessel | Cyril Deverell |
| Cyril Dupré Noyes | Cyril Elliott Davis | Cyril Ernest Napier Lomax |
| Cyril Frederick Charles Coleman | Cyril Genik | Cyril Gordon Martin |
| Cyril Henry Norton | Cyril Hinshelwood | Cyril John Deverell |
| Cyril Joseph "Cy" Denneny | Cyril Joseph Cy Denneny | Cyril Joseph Denneny |
| Cyril Lawrence | Cyril Lomax | Cyril Lowe |
| Cyril Marzolo | Cyril Maton Periam Durnford | Cyril Nelson Barclay |
| Cyril Nelson Lowe | Cyril Norman Hinshelwood | Cyril Oscar Lawrence |
| Cyril Poole | Cyril V. Jackson | Cyril Vernon Lechmere Lycett |
| Cyril White | Cyril William Bacon | Cyril Wyche |
| Cyrtophora conica | Cyrus Greenslade | Cytisus laburnum |
| CZ | CZ 2075 | CZ 2075 Rami |
| CZ 75 | CZ Rami | CZ TT |
| CZ-100 | CZ-2075 | CZ-75 |
| CZ-TT | Cz2075 | CZ2075 RAMI |
| CZ75 | CZAW | CZAW Mermaid |
| CZAW Parrot | CZAW SportCruiser | Człowiek z żelaza |
| Częstochowa | CZD | Czech Republic |
| Czech Sport Aircraft | Czernihów | Czerniowce |
| Czernowitz | Czerny | Czesław Jarnuszkiewicz |
| Czesław Jarnuszkiewski | Czesław Młot-Fijałkowski | Czesław Miłosz |
| Czesław Milosz | Czeslaw Miłosz | Czeslaw Milosz |
| CZK | Czvetan Matyas | Czvetán Mátyás |
| D | D Base | D&D |
| D'Alembert | D'Alembertov kriterij | D'Alembertov kvocientni kriterij |
| D'Alembertova enáčba | D'Alembertova sila | D'Alembertovo načelo |
| D'Andre Hill | D'Arcy Coulson | D'arcy Coulson |
| D'Arcy F. Hilton | D'Arcy Fowlis Hilton | D'Arcy Hilton |
| D'Arrestov komet | D'Nash | D'Urvillovo morje |
| D-blok | D-dimer | D-Fact |
| D-fact | D-orbitala | D-pain |
| D-riboza | D. C. | D. d. |
| D. Fernand A. Vander Haeghen | D. Gheorghe Marinescu | D. H. Lawrence |
| D. Ioan Popescu | D. Luter Martina máli kátekismuš | D. Luther Martina mali katekismus |
| D. Luther Martina máli kátekismus | D. o. o. | D. T. Suzuki |
| D. W. Griffith | D.520 | D.A.R.E. |
| D.C. | D.d. | D.L.R.K. |
| D.n.o. | D.o.o | D.o.o. |
| D3A | D4Y | D4Y Judy |
| Da | Da bi bili eno | Da capo |
| Da Džja | Da Ding | Da Geng |
| Da Lat | Da Nang | Da Palestrina |
| Da Pontejev vodnjak | Da Pontejev vodnjak, Koper | Da Vinčijeva šifra |
| Da vinci | Da Vinci | Da Vincijeva šifra |
| Da Vincijeva šifra (knjiga) | Da Vincijeva šifra (roman) | Da Vu |
| Da Zhou Tian | Da, dragi! Da, draga! | Da, dragi! Da. draga! |
| DAA | DAAO | DAAO (identifikator) |
| Dačani | Daša | Daša Doberšek |
| Daša Grm | Dašča Rijeka | Dašičev |
| Dašnica (razločitev) | Dašnica, Aleksandrovac | Dašnica, Aleksinac |
| Daði Freyr | Dažbog | Dabašnica |
| Dabanovič | Dabar (razločitev) | Dabar, Hrvace |
| Dabar, Otočac | Dabas (mesto) | Daber |
| Dabezići | Dabič | Dabinovac |
| Daboia Xanthina | Dabojevići | Dabrafenib |
| Dabrina | Dabronc | Dabrony |
| Dabujidi | DAC 120 DE | Dachau |
| Dachauski procesi | Dachauski procesi (Nemčija) | Dachauski procesi (Slovenija) |
| Dachstein | Dachstein (Francja) | Dachstein, Francija |
| Dacia | Dacia (car) | Dacia (podjetje) |
| Dacići | Dacit | Dacron |
| Dactylorhiza fuchsii | Dad, Madžarska | Dadaizem |
| Daddy Cool (Boney M.) | Daddy Cool (razločitev) | Daddy Yankee |
| Dadianijeva palača | Dadince | Dado Topić |
| Daeron | Daewon Song | Daewoo DP 40 |
| Daewoo DP 51 | Daewoo DP-40 | Daewoo DP-51 |
| Daewoo DP40 | Daewoo DP51 | Daewoo K5 |
| Daewoo Motors | Daewoo Shipbuilding & Marine Engineering | DAF |
| Dafna | Dafne | Dafne (luna) |
| Dafnis (luna) | Dafnis in Hloa | Daft Punk |
| Dag | Dag Hammarskjöld | Dag Hammarskjold |
| Dag Kleva | DAG400 (meteorit) | Dagajev |
| Dagana dzong | Dagö | Dagerotip |
| Dagerotipija | Dagestan | Dagmar |
| Dagmar (moško ime) | Dagmar (razločitev) | Dagmar Šuster |
| Dagmar Češka | Dagmar Kaesling | Dagmar Kasling |
| Dagmar Käsling | Dagmar Neubauer | Dagmar Neubauer-Rübsam |
