| Hyen | Hyen, Norge | Hyena |
| Hyencourt-le-Grand | Hyende | Hyenhund |
| Hyenor | Hyenorna vid Stureplan | Hyens socken |
| Hyenstrand, Åke | Hyenville | Hyeoksin-dong |
| Hyeoksin-dong, Daegu | Hyeoksin-dong, Jeonju | Hyeon-dong |
| Hyeon-jae Jo | Hyeonbuk-myeon | Hyeonchungil |
| Hyeondeok-myeon | Hyeondeungsan | Hyeondo-myeon |
| Hyeondong-myeon | Hyeong | Hyeonggok-dong |
| Hyeonggok-dong (socken i Sydkorea, lat 36,10, long 128,33) | Hyeonggok-dong (socken i Sydkorea, lat 36,11, long 128,33) | Hyeongok-myeon |
| Hyeongyeong-myeon | Hyeonjong | Hyeonjong av Goryeo |
| Hyeonjong av Joseon | Hyeonnae-myeon | Hyeonnam-myeon |
| Hyeonpung-eup | Hyeonpung-myeon | Hyeonsan-myeon |
| Hyeonseo-myeon | Hyeres | Hyerim |
| Hyeroglyfer | Hyesan | Hyesan-ŭp |
| Hyesan-dong | Hyesan-si | Hyesan-si (kommun) |
| Hyesan-si (provinshuvudstad) | Hyesanjin | Hyet |
| Hyetodesia abacta | Hyetodesia abdicta | Hyetodesia dubia |
| Hyetornis pluvialis | Hyetornis rufigularis | Hyetussa |
| Hyetussa aguilari | Hyetussa andalgalaensis | Hyetussa cribrata |
| Hyetussa mesopotamica | Hyetussa secta | Hyetussa simoni |
| Hyevre-Paroisse | Hyf | Hyfer |
| Hyfner, Tatjana | Hyganis vagemaculatus | Hygeia |
| Hygel, Carl von | Hygelac | Hygenhund |
| Hygenstövare | Hygerth | Hygge |
| Hyggeby | Hyggesbränning | Hyggesfritt skogsbruk |
| Hyggeskornlöpare | Hygglo Birdo | Hygiea |
| Hygiea-asteroid | Hygieia | Hygiella |
| Hygiella nigripes | Hygiella pygidialis | Hygien |
| Hygienartikel | Hygienartiklar | Hygienhypotesen |
| Hygieniker | Hygienisk | Hygieniska museet |
| Hygieniskt gränsvärde | Hygienist | Hygienprodukt |
| Hyginus | Hygiops percheroni | Hygiops percheronii |
| Hygnestad | Hygom, Peder Jakobsen | Hygom, Thomas Knudsen |
| Hygophum | Hygophum atratum | Hygophum benoiti |
| Hygophum brunii | Hygophum bruuni | Hygophum hanseni |
| Hygophum higomii | Hygophum hygomi | Hygophum hygomii |
| Hygophum hygonii | Hygophum macrochir | Hygophum proximum |
| Hygophum reinhardti | Hygophum reinhardtii | Hygophum taaningi |
| Hygracris | Hygracris malabaricus | Hygracris palustris |
| Hygraula | Hygraula nitens | Hygrell, August |
| Hygrin | Hygris | Hygris beckeri |
| Hygris unicarinata | Hygroamblystegium | Hygroamblystegium austro-fluviatile |
| Hygroamblystegium calcareum | Hygroamblystegium caudicaule | Hygroamblystegium ecuadorense |
| Hygroamblystegium excurrens | Hygroamblystegium filum | Hygroamblystegium fluviatile |
| Hygroamblystegium formianum | Hygroamblystegium luridum | Hygroamblystegium noterophilum |
| Hygroamblystegium punae | Hygroamblystegium tenax | Hygroaster |
| Hygroaster asterosporus | Hygroaster borealis | Hygroaster ianthinocystis |
| Hygroaster kyrtosporus | Hygroaster lacteus | Hygroaster nauseodulcis |
| Hygroaster nauseosodulcis | Hygroaster nodulisporus | Hygrobates |
| Hygrobates americanus | Hygrobates canadensis | Hygrobates decaporus |
| Hygrobates estellae | Hygrobates excilis | Hygrobates fluviatilis |
| Hygrobates foreli | Hygrobates longipalpis | Hygrobates multiporus |
| Hygrobates neocalliger | Hygrobates neooctoporus | Hygrobates nigromaculatus |
| Hygrobates occidentalis | Hygrobates parvulus | Hygrobates zuxsus |
| Hygrobatidae | Hygrobia | Hygrobia hermanni |
| Hygrobiella | Hygrobiella laxifolia | Hygrobiidae |
| Hygroceleuthus ciliatus | Hygrochelifer | Hygrochelifer hoffi |
| Hygrochelifer indicus | Hygrochilus | Hygrochilus mariottiana |
| Hygrochilus parishii | Hygrochilus parishii var. mariottianus | Hygrochilus parishii var. purpureus |
| Hygrochilus subparishii | Hygrochloa | Hygrochloa aquatica |
| Hygrochloa cravenii | Hygrochroa | Hygrochroa adrastria |
| Hygrochroa albipunctata | Hygrochroa amaryllis | Hygrochroa anna |
| Hygrochroa ardeola | Hygrochroa banepa | Hygrochroa batima |
| Hygrochroa bombycina | Hygrochroa brückneri | Hygrochroa bunca |
| Hygrochroa castanea | Hygrochroa cerrita | Hygrochroa cirna |
| Hygrochroa concerpta | Hygrochroa corema | Hygrochroa costaricensis |
| Hygrochroa damora | Hygrochroa datanoides | Hygrochroa diana |
| Hygrochroa dianita | Hygrochroa diffidens | Hygrochroa doramia |
| Hygrochroa ennomoides | Hygrochroa erecta | Hygrochroa erotina |
| Hygrochroa erubescens | Hygrochroa firmiana | Hygrochroa floramia |
| Hygrochroa floridana | Hygrochroa florisa | Hygrochroa fucosa |
| Hygrochroa garleppi | Hygrochroa gaveta | Hygrochroa gladys |
| Hygrochroa heptaloba | Hygrochroa hierax | Hygrochroa horina |
| Hygrochroa ilia | Hygrochroa imparata | Hygrochroa infesta |
| Hygrochroa inviolata | Hygrochroa iriantha | Hygrochroa jessica |
| Hygrochroa kotzschi | Hygrochroa lacetania | Hygrochroa lapitha |
| Hygrochroa lepida | Hygrochroa lescamia | Hygrochroa lilacina |
| Hygrochroa martia | Hygrochroa maudamia | Hygrochroa mediana |
| Hygrochroa mehida | Hygrochroa merlona | Hygrochroa milma |
| Hygrochroa moresca | Hygrochroa narda | Hygrochroa nina |
| Hygrochroa olaus | Hygrochroa palma | Hygrochroa pandara |
| Hygrochroa pandarioides | Hygrochroa paraguayana | Hygrochroa paratima |
| Hygrochroa parvula | Hygrochroa paulista | Hygrochroa pertuisa |
| Hygrochroa pervicax | Hygrochroa pithala | Hygrochroa princeps |
| Hygrochroa pudefacta | Hygrochroa quadrata | Hygrochroa sadisma |
| Hygrochroa satellitia | Hygrochroa schreiteri | Hygrochroa sericea |
| Hygrochroa signata | Hygrochroa singularis | Hygrochroa striata |
| Hygrochroa sublunulata | Hygrochroa taperinha | Hygrochroa thinaha |
| Hygrochroa torrefacta | Hygrochroa tropea | Hygrochroa tuisa |
| Hygrochroa turrialba | Hygrochroa uvada | Hygrochroa velutina |
| Hygrochroa verena | Hygrochroa vistana | Hygrochroa vitrea |
| Hygrochroa xanthapex | Hygrochroa zikani | Hygrochroma |
| Hygrochroma cervinata | Hygrochroma clota | Hygrochroma hyalopuncta |
| Hygrochroma lincanaria | Hygrochroma nondina | Hygrochroma ojeda |
| Hygrochroma olivinaria | Hygrochroma paulinaria | Hygrochroma subusta |
| Hygrochroma subvenusta | Hygrochroma viola | Hygrochus |
| Hygrocrates | Hygrocrates caucasicus | Hygrocrates georgicus |
| Hygrocrates lycaoniae | Hygrocybe | Hygrocybe acutoconica var. cuspidata |
| Hygrocybe acutopunicea | Hygrocybe angustifolia | Hygrocybe apricosa |
| Hygrocybe atropuncta | Hygrocybe aurantia | Hygrocybe aurantiopallens |
