| Hjulstillingen | Wheel arrangement |
| Hjultræ-ordenen | Trochodendrales |
| Hjälmaren | Hjälmaren |
| hjælp | help |
| hjælpe | help |
| hjælpeløs | feckless |
| hjælper | aid |
| hjælpsom | accommodating |
| hjørneklap | wallflower |
| hjørnespark | corner kick |
| HK | HK |
| Hlin | Hlín |
| HMS Hood | HMS Hood |
| Hnefatafl | Tafl games |
| Hnoss | Hnoss |
| Ho Chi Minh | Ho Chi Minh |
| Ho Chi Minh-byen | Ho Chi Minh City |
| Hobart | Hobart |
| Hobbit | Hobbit |
| Hobbitten | The Hobbit |
| Hobby | Hobby |
| Hobro Kommune | Hobro |
| Hobøl | Hobøl |
| Hockey | Field hockey |
| Hof | States General |
| Hofburg | Hofburg Imperial Palace |
| Hofgeismar | Hofgeismar |
| Hofleverandør | Royal Warrant |
| hofteholder | girdle |
| Hogsmeade | Hogsmeade |
| Hogwarts | Hogwarts |
| Hogwartsekspressen | Hogwarts Express |
| Hoh-regnskoven | Hoh Rain Forest |
| Hohenzollern | House of Hohenzollern |
| Hohhot | Hohhot |
| Hohmann-bane | Hohmann transfer orbit |
| Hokkaido | Hokkaido |
| Hokus Pokus Kosteskaft | Bedknobs and Broomsticks |
| Hokusai | Hokusai |
| Hol | Hol |
| Holarktis | Holarctic |
| Holbæk | Holbæk |
| Holbæk Kommune | Holbæk |
| Hold | T-square |
| hold da kæft | bloody hell |
| holdbar vare | durable goods |
| holde | suffice |
| holde fast på | assert |
| Holde sig fast | Hitch on |
| Holde ud | Bear |
| holdepunkt | clue |
| holdning | carriage |
| Hole-in-one | Hole in one |
| Holeby Kommune | Holeby |
| Holger Danske | Holger Danske |
| Holger Drachmann | Holger Drachmann |
| Holland | Holland |
| hollandsk | Dutch |
| Hollandsk Ostindien | Dutch East Indies |
| Holly Marie Combs | Holly Marie Combs |
| Hollywood | Hollywood |
| hollænder | Dutch |
| Hollændere | Dutch |
| Holmegaard Kommune | Holmegaard |
| Holmenkollen | Holmenkollen ski jump |
| Holmestrand | Holmestrand |
| holmium | holmium |
| Holmsland Kommune | Holmsland |
| Holocaust | Holocaust |
| Holocaust-benægtelse | Holocaust denial |
| Holocæn | Holocene |
| Holon | Holon |
| Holstebro | Holstebro |
| Holstebro Kommune | Holstebro |
| Holsted Kommune | Holsted |
| Holsten | Holstein |
| Holsten Brauerei | Holsten |
| Holsten-mellemistiden | Hoxnian interglacial |
| Holstener | Holstein |
| Holtålen | Holtålen |
| Homer | Homer |
| Homer Simpson | Homer Simpson |
| Homeriske hymner | Homeric Hymns |
| Hominider | Hominini |
| Homo | Homo |
| Homo erectus | Homo erectus |
| Homo floresiensis | Homo floresiensis |
| Homo habilis | Homo habilis |
| Homo rudolfensis | Homo rudolfensis |
| homofobi | homophobia |
| Homofon | Homonymie |
| Homofoni | Homonymie |
| homologation | homologation |
| Homologe kromosomer | Homologous chromosome |
| homonym | homonym |
| Homoptera | Homptera |
| homoseksualitet | homosexuality |
| homoægteskab | gay marriage |
| Homøopati | Homeopathy |
| homøostase | homeostasis |
| Honda | Honda |
| Honduras | Honduras |
| Hong Kong Øen | Hong Kong Island |
| Hongkong | Hong Kong |
| Hongqiao Airport | Shanghai Hongqiao International Airport |
| Honiara | Honiara |
| Honky-tonk | Honky tonk |
| honning | honey |
| Honningbi | Bee |
| Honninggøge | Honeyguide |
| Honningmyre | Honeypot ant |
| Honningurt-familien | Hydrophyllaceae |
| Honolulu | Honolulu |
| honorar | fee |
| Honoré Daumier | Honoré Daumier |
| Honoré de Balzac | Honoré de Balzac |
| Honshû | Honshū |
| Hooghly | Hooghly River |
| Hookes lov | Hooke's law |
| Hoover Dam | Hoover Dam |
| Hoplestigmataceae | Hoplestigma |
| Hoplit | Hoplite |
| Hoplon | Aspis |
| hoppe | mare |
| hoppe og springe for en | beck and call |
| Hoppestylte | Powerbocking |
| Hor-Aha | Hor-Aha |
| Horatiernes ed | Oath of the Horatii |
| Horatio Nelson | Horatio Nelson |
| Horats | Horace |
| Horcrux | Horcrux |
| Hordaland | Hordaland |
| hore | whore |
| horehus | brothel |
| Horisont | Horizon |
| Horisontal genoverførsel | Horizontal gene transfer |
| Horisontalbombefly | Level bomber |
| horisonten | horizon |
| horkarl | adulterer |
| hormon | hormone |
| Hormozgan | Hormozgān Province |
| Hormuzstrædet | Strait of Hormuz |
| horn | horn |
| Hornavan | Hornavan |
| Hornblad | Ceratophyllum |
| Hornblad-familien | Ceratophyllum |
| hornhinde | cornea |
| Hornindal | Hornindal |
| Hornnød-familien | Trapa |
| Hornugle | Eurasian Eagle Owl |
| hornulk | fourhorn sculpin |
| Horoskop | Horoscope |
| Horror | Phi |
| Horror punk | Horror punk |
| Horsens | Horsens |
| Horsens Idrætspark | Forum Horsens Stadion |
| Horsens Kommune | Horsens |
| Horst Köhler | Horst Köhler |
| Horst-Wessel-Lied | Horst-Wessel-Lied |
| Hortensia von And | Hortense McDuck |
| Hortensia-familien | Hydrangeaceae |
| Hortus Botanicus | Hortus Botanicus |
| Horus | Horus |
| Hos | At |
| Hosebåndsordenen | Order of the Garter |
| Hosni Mubarak | Hosni Mubarak |
| hospital | hospital |
| hoste | cough |
| hostesaft | cough syrup |
| Hot-swap | Hot swapping |
| hotel | hotel |
| hotelvirksomhed | hotel industry |
| Hottentotforklæde | Elongated labia |
| House | House music |
| Houston | Houston |
| hov | hoof |
| Hovawart | Hovawart |
| hovdyr | ungulate |
| hoved | head |
| hovedbog | general ledger |
| hovedbrud | conundrum |
| Hovedgruppe | Main group |
| hovednæringsmiddel | staple food |
| Hovedsalat | Lettuce |
| hovedstad | capital city |
| Hovedstadens Udviklingsråd | Greater Copenhagen Authority |
| Hovedstadsområdet | Metropolitan Copenhagen |
| Hovedstadsregionen | Danish Capital Region |
| hovedvej | highway |
| Hoveri | Serfdom |
| Hovs haller | Hovs Hallar |
| Hovvarpner | Hófvarpnir |
| Howard Carter | Howard Carter |
| Howard Gardner | Howard Gardner |
| Howard Hughes | Howard Hughes |
| Howard Shore | Howard Shore |
| HP Sauce | HP Sauce |
| Hr | Mr |
| Hradec Králové | Hradec Králové |
| Hrant Dink | Hrant Dink |
| Hrodna | Grodno |
| Hrungner | Hrungnir |
| Hrymfaxe | Skínfaxi and Hrímfaxi |
| Hryvnia | Ukrainian hryvnia |
| Hræsvælg | Hræsvelgr |
| HSH Nordbank Arena | HSH Nordbank Arena |
| HTPC | Home theater PC |
| HTTP | Hypertext Transfer Protocol |
| Hu Jintao | Hu Jintao |
| Hu Yaobang | Hu Yaobang |
| Huangshan | Huangshan Mountains |
| Hub | Ethernet hub |
| Hubberts peak | Hubbert peak theory |
| Hubble Deep Field | Hubble Deep Field |
| Hubble Ultra Deep Field | Hubble Ultra Deep Field |
| Hubble-rumteleskopet | Hubble Space Telescope |
| Hubble-teleskopet | Hubble Space Telescope |
| Hubbles lov | Hubble's law |
| Hubei | Hubei |
