| Hymne Chérifien | Hymn Maroka |
| Hymne Monégasque | Hymn Monako |
| Hyneria | Hyneria |
| Hynčice | Hynčice |
| Hypacrosaurus | Hipakrozaur |
| Hypanis | Kubań |
| Hypatia of Alexandria | Hypatia z Aleksandrii |
| Hypatian Codex | Latopis Ipatijewski |
| Hyper Text Coffee Pot Control Protocol | Hyper Text Coffee Pot Control Protocol |
| Hyper-threading | Hyper-Threading |
| HyperACCESS | HyperTerminal |
| hyperaesthesia | hiperestezja |
| hyperbola | hiperbola |
| hyperbole | hiperbola |
| Hyperbolic function | Funkcje hiperboliczne |
| Hyperbolus | Hyperbolos |
| Hyperborea | Hiperborea |
| Hypercharge | Hiperładunek |
| Hypercomplex number | Liczby hiperzespolone |
| Hyperdontia | Hiperdoncja |
| Hypereides | Hyperejdes |
| hyperesthesia | hiperestezja |
| Hypergiant | Hiperolbrzym |
| Hypergolic propellant | Paliwa hipergolowe |
| Hypergraph | Hipergraf |
| Hyperion | Hyperion |
| Hyperion Cantos | Hyperion |
| Hyperlexia | Hyperleksja |
| Hypernova | Hipernowa |
| Hypernucleus | Hiperjądro |
| hypernym | terminy szersze |
| Hyperphosphatemia | Hiperfosfatemia |
| hyperplane | hiperpłaszczyzna |
| Hyperpolarization | Hiperpolaryzacja |
| Hyperpower | Hipermocarstwo |
| Hyperprolactinaemia | Hiperprolaktynemia |
| Hyperprolactinemia | Hiperprolaktynemia |
| Hyperrealism | Hiperrealizm |
| Hypersthene | Hipersten |
| Hypertelorism | Hiperteloryzm |
| Hypertension | Nadciśnienie tętnicze |
| hypertext | hipertekst |
| Hypertext fiction | Hiperfikcja |
| Hypertext Transfer Protocol | Hypertext Transfer Protocol |
| hyperthermia | hipertermia |
| Hyperthermophile | Hipertermofile |
| HyperTransport | HyperTransport |
| Hypertriglyceridemia | Hipertrójglicerydemia |
| Hyperuricemia | Hiperurykemia |
| hyphen | dywiz |
| Hyphen War | Wojna o myślnik |
| Hypholoma fasciculare | Łysiczka trująca |
| Hypnagogia | Hipnagogia |
| Hypnerotomachia Poliphili | Hypnerotomachia Poliphili |
| Hypnos | Hypnos |
| Hypnosis | Hipnoza |
| Hypo-Arena | Wörthersee Stadion |
| Hypoalbuminemia | Hipoalbuminemia |
| hypoallergenic | hipoalergiczny |
| hypochondriac | hipochondryk |
| hypochondriacal | hipochondryczny |
| Hypocotyl | Hipokotyl |
| hypocrisy | hipokryzja |
| hypocrite | hipokryta |
| Hypogeum | Hypogeum |
| Hypogeum of Ħal-Saflieni | Hypogeum Ħal Saflieni |
| hypomagnesemia | hipomagnezemia |
| hyponym | hiponim |
| Hypophthalmichthys | Hypophthalmichthys |
| hypophysis | przysadka mózgowa |
| Hypopituitarism | Niedoczynność tarczycy |
| hypoplastic left heart syndrome | zespół hipoplazji lewego serca |
| hypoproteinemia | niedobiałczenie |
| Hypostatic union | Unia osobowa |
| Hypostomus plecostomus | Plekostomus |
| Hypostyle | Hypostyl |
| Hypotenuse | Przeciwprostokątna |
| Hypothalamus | Podwzgórze |
| Hypothenar eminence | Kłębik |
| hypothesis | hipoteza |
| Hypothetical planetary object | Niburu |
| HypoVereinsbank | HypoVereinsbank |
| Hypoxanthine | Hipoksantyna |
| Hypsilophodon | Hipsylofodon |
| Hypsilophodont | Hipsylofodony |
| Hypsipyle | Hypsipile |
| Hypsochromic shift | Efekt hipsochromowy |
| Hypsometric tints | Mapa hipsometryczna |
| Hyracotherium | Eohippus |
| Hyrcanus II | Jan Hirkan II |
| Hyrrokkin | Hyrokkin |
| Hystaspes | Wisztaspa |
| hysteresis | histereza |
| hysteria | histeria |
| hysteric | histeryk |
| Hystrix | Jeżozwierze |
| Hyundai | Hyundai |
| Hyundai Accent | Hyundai Accent |
| Hyundai Kia Automotive Group | Hyundai Kia Automotive Group |
| Hyundai Motor Company | Hyundai Motor Company |
| Hyvinkää | Hyvinkää |
| Hyvinkää railway station | Hyvinkää |
| Hyōgo Prefecture | Prefektura Hyōgo |
| Háj | Háj |
| Hán Tự | Hanzi |
| Hârlău | Hârlău |
| Hârşova | Hârşova |
| Häg-Ehrsberg | Häg-Ehrsberg |
| Hällefors Municipality | Gmina Hällefors |
| Hälsingland | Helsinki |
| Hämeenlinna | Hämeenlinna |
| Händel-Werke-Verzeichnis | HWV |
| Hänsel und Gretel | Jaś i Małgosia |
| Härjedalen | Härjedalen |
| Härjedalen Municipality | Gmina Härjedalen |
| Härnösand | Härnösand |
| Härryda Municipality | Gmina Härryda |
| Hässleholm | Gmina Hässleholm |
| Hässleholm Municipality | Gmina Hässleholm |
| Häusern | Häusern |
| Hå | Hå |
| Håbo Municipality | Gmina Håbo |
| Håkon Brusveen | Håkon Brusveen |
| Hægebostad | Hægebostad |
| Hébertists | Hebertyści |
| Héctor Babenco | Hector Babenco |
| Héctor Barberá | Hector Barbera |
| Héctor Castro | Héctor Castro |
| Héctor Cúper | Héctor Raúl Cúper |
| Héctor De Bourgoing | Héctor De Bourgoing |
| Héctor Elizondo | Héctor Elizondo |
| Héctor Faubel | Hector Faubel |
