| konsulent | consultant |
| konsulentvirksomhed | consultancy |
| kontakt | contact |
| Kontaktlinse | Contact lens |
| kontamination | contamination |
| kontaminere | contaminate |
| kontinent | continent |
| Kontinental filosofi | Continental philosophy |
| Kontinentaldrift | Continental drift |
| Kontinentale kongres | Continental Congress |
| Kontinentalplade | List of tectonic plates |
| Kontinentalsokkel | Continental shelf |
| kontinuert funktion | continuous function |
| kontinuitet | continuity |
| kontor | office |
| kontorassistent | clerk |
| kontorfunktionær | clerk |
| Kontorprogram | Office suite |
| Kontrabas | Double bass |
| Kontrafaktisk historie | Alternate history |
| kontrakt | contract |
| Kontreadmiral | Counter Admiral |
| kontroldata | monitoring data |
| kontrolforanstaltning | control measure |
| Kontrollere | Sail |
| kontrolleret forbrænding | controlled burning |
| kontrolleret jagtområde | controlled hunting zone |
| Kontrolleret luftrum | Airspace class |
| kontroltjeneste | inspection service |
| Kontrolzone | Control Zone |
| kontroversiel | controversial |
| konturdyrkning | contour farming |
| konurbation | conurbation |
| Konvalbusk-familien | Clethraceae |
| Konvalbusk-slægten | Clethra |
| konveks | convex |
| Konvektion | Convection |
| konvention | convention |
| Konvention om biologisk diversitet | Convention on Biological Diversity |
| konventionel energi | conventional energy |
| konversation | conversation |
| Konvertering | Type conversion |
| konvertibel mark | convertible mark |
| Konvertibilna mark | Bosnia and Herzegovina konvertibilna marka |
| Konvulut | Wrappage |
| Konya | Konya |
| koordinat | coordinate |
| koordination | co-ordination |
| koordinatsystem | co-ordinate system |
| kop | cup |
| Koper | Koper |
| kopiere | copy |
| kopper | smallpox |
| kopter | Copt |
| Koptisk | Coptic language |
| kopula | copula |
| kor | choir |
| Koral | Coral |
| Koraldyr | Coral |
| Koralhavet | Coral Sea |
| koraller | coral |
| koralrev | coral reef |
| koralrevlagune | coral reef lagoon |
| Koranen | Koran |
| korbær | dewberry |
| Korde | Chord |
| Kordyline | Cordyline |
| Korea | Korea |
| Korea-Kornel | Kousa Dogwood |
| Koreakrigen | Korean War |
| koreansk | Korean |
| Koreansk Ædelgran | Abies koreana |
| Korfu | Corfu |
| koriander | coriander |
| Korinth | Corinth |
| Korintisk søjle | Corinthian order |
| kork | cork |
| korkeg | cork oak |
| Korktræ | Phellodendron |
| korn | grain |
| kornblomst | cornflower |
| kornel | dogwood |
| Kornel-familien | Cornaceae |
| Kornel-ordenen | Cornales |
| Kornelius Blisand | Cornelius Coot |
| kornisk | Cornish |
| kornkammer | garner |
| korollar | corollary |
| korologi | chorology |
| Korona | Corona |
| Koronis | Coronis |
| Koronowo | Koronowo |
| Koror | Koror |
| korrekt | right |
| korridor | corridor |
| korrosion | corrosion |
| korruption | corruption |
| Kors | Cross |
| Korsblomst-familien | Brassicaceae |
| Korsblomst-ordenen | Brassicales |
| Korsedderkop | European garden spider |
| korset | corset |
| Korsetmager | Corsetmaker |
| Korsfarerstat | Crusader states |
| Korsfæstelse | Crucifixion |
| Korsika | Corsican |
| korsikansk | Corsican |
| korsnæb | crossbill |
| Korsrod | Baccharis |
| korstog | Crusade |
| Korsved-familien | Rhamnaceae |
| Korsør Kommune | Korsør |
| kort | map |
| Kort oversigt | Overview |
| Kortfilm | Short film |
| Kortlæbe | Teucrium |
| kortlægning | mapping |
| kortlægning af laver | mapping of lichens |
| Kortløbet Spurvehøg | Levant Sparrowhawk |
| Kortprosa | Flash fiction |
| Kortspil | Card game |
| Korttået træløber | Short-toed Treecreeper |
| Kortøret ræv | Short-eared Dog |
| Koruna | Slovak koruna |
| Korund | Corundum |
| Korvet | Corvette |
| Korçë | Korçë |
| Kosak | Cossack |
| kosmetiker | cosmetologist |
| kosmetikindustri | cosmetic industry |
| Kosmisk baggrundsstråling | Cosmic microwave background radiation |
| kosmisk stråling | cosmic radiation |
| Kosmisk støv | Interstellar dust |
| kosmologi | cosmology |
| Kosmologiske princip | Cosmological Principle |
| Kosovo | Kosovo |
| Kosovokrigen | Kosovo War |
| Kosovska Mitrovica | Kosovska Mitrovica |
| kostbar | valuable |
| kosteskaft | broomstick |
| Kostfibre | Dietary fiber |
| kostskole | boarding school |
| Kostume | Suit |
| Kotor | Kotor |
| Koullouna Lilouataan Lil Oula Lil Alam | Koullouna Lilouataan Lil Oula Lil Alam |
| Kovalent binding | Covalent bond |
| Kovdor | Kovdor |
| Koyaanisqatsi | Koyaanisqatsi |
| Kozani | Kozani |
| Końskowola | Końskowola |
| KoЯn | Korn |
| KPÖ | Communist Party of Austria |
| krabbe | crab |
| krabberæv | crab-eating fox |
| Krabbetågen | Crab Nebula |
| Krabi | Krabi Province |
| Krabi-Krabong | Krabi Krabong |
| Krafla | Krafla |
| Kraft | Force |
| Kraft Foods | Kraft Foods |
| Kraften | Force |
| kraftig | violent |
| Kraftmaskine | Engine |
| Kraftvarme | Combined heat and power |
| kraftvarmeværk | heat and power station |
| kraftværk | power station |
| Kraftwerk | Kraftwerk |
| krage | crow |
| Kragefod | Potentilla palustris |
| Kragefugle | Corvidae |
| Kragujevac | Kragujevac |
| Kraj | Krai |
| Krak des Chevaliers | Krak des Chevaliers |
| Krakatau | Krakatoa |
| Kraków | Kraków |
| Kraljevo | Kraljevo |
| kram | hug |
| krammedyr | stuffed animal |
| kranie | skull |
| Kranienerve | Cranial nerves |
| kranium | skull |
| Kranj | Kranj |
| Kransekage | Kransekake |
| Kranspulsåre | Coronary circulation |
| Krap-familien | Rubiaceae |
| Krap-ordenen | Rubiales |
| Krasnaja Svesda | Krasnaya Zvezda |
