- HY-2
- Hy Line International
- HY4 (fly)
- Hyacinthus transcaspicus
- Hyaenodonta
- Hyaenodon gigas
- Hyakka Ryouran Samurai piger
- Hyakko
- Hyalamara
- Hyalinobatrachium
- Hyalomma
- Hyalomma aegyptium
- Hyalophora
- Hyalopsychidae
- Hyanid
- Hyas araneus
- Hyas coarctatus
- Hyatt Hotels Corporation
- Hybe Corporation
- Hyblaeidae
- Hybocephalini
- Hybomitra
- Hybomitra illota
- Hybomitra rhombica
- Hybosorus
- Hybosorus roei
- Hybotidae
- Hybrid (walisisk band)
- Hybrid × Heart Magias Academy Ataraxia
- Hybrid hjælpelem
- Hybrid barn
- Hybrid log-gamma
- Hybrid Memory Cube
- Hybrid teori
- Hybride krige
- Hybristodryinus
- Hybristodryinus anomalus
- Hybristodryinus concavifrons
- Hybristodryinus cretacicus
- Hybristodryinus karen
- Hybristodryinus konbaung
- Hybristodryinus ligulatus
- Hybristodryinus magnificus
- Hybristodryinus nalae
- Hybristodryinus pyu
- Hybristodryinus shan
- Hydac
- Hydra
- Hydraeninae
- Hydravision underholdning
- Hydra (Toto album)
- Hydra (Within Temptation album)
- Hydra (controller)
- Hydra 100
- Hydra 200
- Hydra 70
- Hydriastele cariosa
- Hydrollodes
- Hydrillodes grisea
- Hydro-Quebec
- Hydrobiosidae
- Hydrokassis
- Hydrochasma
- Hydrochasma castilloi
- Hydrochasma crenulum
- Hydrochasma denticum
- Hydrochasma digitatum
- Hydrochasma distinctum
- Hydrochasma dolabrutum
- Hydrochasma ansigt
- Hydrochasma falcatum
- Hydrochasma glochium
- Hydrochasma incisum
- Hydrochasma kaieteur
- Hydrochasma miguelito
- Hydrochasma octogonum
- Hydrochasma parallelum
- Hydrochasma patenter
- Hydrochasma sinuatum
- Hydrochasma spinosum
- Hydrochasma viridum
- Hydrochasma williamsae
- Hydrochoerinae
- Hydrocynus brevis
- Hydrocynus tanzaniae
- Hydrodamalis cuestae
- Hydrodytinae
- Hydromotor
- Hydrograd
- Hydroidolina
- Hydrologi
- Hydrolutos bryggeri
- Hydromedion sparsutum
- Hydrophilinae
- Hydrophis belcheri
- Hydrofobi
- Hydrophylax bahuvistara
- Hydroponics Have
- Hydroporinae
- Hydropsyke
- Hydropsyke januha
- Hydroptere
- Hydroptere
- Hydrornis
- Hydro Thunder
- Hyæne
- Hyetussa
- Hygrophoropsidaceae
- Hygrotus decoratus
- Hygrotus versicolor
- Hyidae
- Hylaeus
- Hylaeus aboriginsis
- Hylaeus altaicus
- Hylaeus annulatus
- Hyla Fax
- Hylarana
- HYLAS-1
- Hylas 2
- HYLAS 3
- Hyla heinzsteinitzi
- Hyles
- Hyles calida
- Hylinae
- Hylli i Drites
- Hylobates abbotti
- Hylodidae
- Hylomyrma
- Hylomyrma adelaae
- Hylomys megalotis
- Hylomys parvus
- Hylopetes sipora
- Hyloscirtus
- Hyloscirtus princecharlesi
- Hylotrupes
- Hyloxalus
- Hymega rasnitsyni
- Hymenaea
- Hymenaea protera
- Hymenocephalus
- Hymenocephalus (plante)
- Hymenoepimecis
- Hymenoepimecis argyraphaga
- Hymenopodidae
- Hymenoptera i 10. udgave af System of Nature
- Hymenopus
- Hymenoscyphus albidus
- Hymenoscyphus fraxineus
- Salmer
- Weekendens hymne
- Hynix
- Hyoge Mono
- Hyouka
- Hypæus
- Hypanarti
- Hypancistrus
- Hypancistrus zebra
- Hyparrhenia filipendula
- Hypatopa phoebe
- Hypatopa semela
- Hypene
- Hypenula
- Hyper
- Hyper-V
- Hyperaspidius
- Hyperaspis
- Hyperaspis campestris
- Hyperaspis erythrocephalus
- Hyperaspis reppensis
- Hyperboloid Records
- HyperCard
- Hypercompe scribonia
- Hyperdimension Neptunia
- Hyperdimension Neptunia (spil)
- Hyperdimension Neptunia (spil)
- Hyperdimension Neptunia Mk2
- Hyperdimension Neptunia Victory
- Hyperdimension Neptunia Victory II
- Hyperdub
- Hypericia
- Hypericum quadrangum
- Hyperion
- Hyperion underholdning
- Hyperion Power Modul
- Hyperion Records
- Hyperlapse (app)
- Hyperloop
- Hypermagi
- Hyperoides
- HyperScan
- Hyperspace
- HyperSPARC
- HyperTalk
- HyperTerminal
- Hypertrace
- Hypertragulidae
- Hypertragulus
- HyperTransport
- HyperVM
- HyperX
- HyperZ
- Hyper Hyper
- Hyper Light Drifter
- Hyper politi
- Hyper Scape
- Hypersport
- Hype hus
- Hyphasis
- Hyphomicrobium
- Hyphydrus ovatus
- Hypixel
- Hypixel Studios
- Hypnodanser
- Hypnogaja
- Hypnoidinae
- Hypnoidus
- Hypnose
- Hypnotisk øje
- Hypnotisere
- Hypnotize (System of a Down-sang)
- Hypnotize (The Notorious B.I.G.-sang)
- Hypomøde
- Hypoaspis
- Hypoaspis miles
- Hypocacculus
- Hypocaccus
- Hypocalyptus
- Hypokassida
- Hypocassida meridionalis
- Hypocephalus armatus
- Hypochilidae
- Hypochilus bonneti
- Hypochilus coylei
- Hypochilus petrunkevitchi
- Hypochilus pococki
- Hypochilus sheari
- Hypochilus thorelli
- Hypocisseis
- Hypocreomycetidae
- Hykleri
- Hykleri (album)
- Hypodermi
- Hypogaleus hyugaensis
- Hypoganomorphus
- Hypogastrura nivicola
- Hypogeum II
- Hypolimnas
- Hypolimnas bolina
- Hypolimnas misippus
- Hypomikrogaster
- Hypomyces lactifluorum
- Hypoperlida
- Hypoponera
- Hypoponera punctatissima
- Hypoptopom
- Hyposmokom
- Hyposmocoma adelphella
- Hyposmocoma adolescens
- Hyposmocoma agnetella
- Hyposmocoma albocinerea
- Hyposmocoma anthinella
- Hyposmocoma arenella
- Hyposmocoma argentea
- Hyposmocoma argomacha
- Hyposmocoma argyresthiella
- Hyposmocoma arundinicolor
- Hyposmocoma auroargentea
- Hyposmocoma auropurpurea
- Hyposmocoma barbata
- Hyposmocoma basivitata
- Hyposmocoma belophora
- Hyposmocoma bitincta
- Hyposmocoma brevistrigata
- Hyposmocoma calva
- Hyposmocoma centralis
- Hyposmocoma chilonella
- Hyposmocoma cleodorella
- Hyposmocoma columbella
- Hyposmocoma complanella
- Hyposmocoma conditella
- Hyposmocoma confusa
- Hyposmocoma corticicolor
- Hyposmocoma cryptogamiella
- Hyposmocoma cuprea
- Hyposmocoma diffusa
- Hyposmocoma digressa
- Hyposmocoma misfarvet
- Hyposmocoma ekemamao
- Hyposmocoma epicharis
- Hyposmocoma fervida
- Hyposmocoma fractistriata
- Hyposmocoma fuscotogata
- Hyposmocoma inflexa
- Hyposmocoma inversella
- Hyposmokom-ioder
- Hyposmocoma irregularis
- Hyposmocoma kaikuono
- Hyposmocoma capakai
- Hyposmocoma kaupo
- Hyposmocoma kikokolu
- Hyposmocoma laysanensis
- Hyposmocoma liturata
- Hyposmocoma lixiviella
- Hyposmocoma longitudinalis
- Hyposmocoma malornata
- Hyposmocoma menehune
- Hyposmocoma metrosiderella
- Hyposmocoma mimica
- Hyposmocoma mokumana
- Hyposmocoma molluscivora
- Hyposmocoma montivolans
- Hyposmocoma nebulifera
- Hyposmocoma nihoa
- Hyposmocoma ochreociliata
- Hyposmocoma opuumaloo
- Hyposmocoma papahanau
- Hyposmocoma parda
- Hyposmocoma phalacra
- Hyposmocoma pseudolita
- Hyposmocoma quinquemaculata
- Hyposmocoma radiatella
- Hyposmocoma rubescens
- Hyposmocoma saliaris
- Hyposmocoma scolopax
- Hyposmokom semikolon
- Hyposmocoma somatodes
- Hyposmocoma subcitrella
- Hyposmocoma subeburneum
- Hyposmocoma subnitida
- Hyposmocoma subscolopax
- Hyposmocoma tarsimaculata
- Hyposmocoma terminella
- Hyposmocoma tetraonella
- Hyposmocoma torella
- Hyposmocoma turdella
- Hyposmocoma vinicolor
- Hypostomus commersoni
- Hypotænidi
- Hypothekenbank i Essen
- Hypothenemus hampei
- Hypotermi
- Hypotetisk
- Hypo Group Tennis International
- Hypo Group Tennis International 2006
- Hypo Group Tennis International 2007
- Hypo Group Tennis International 2008
- Hypo Real Estate Holding
- Hypselosoma amieuensis
- Hypselosoma bleuensis
- Hypselosoma elytratum
- Hypselosoma hypselosomatum
- Hypselosoma koghiensis
- Hypselosoma mandjeliensis
- Hypselosoma mouensis
- Hypselosoma rhinatum
- Hypselospinus
- Hypselosyrphus
- Hypsibius dujardini
- Hypsibius vaskelae
- Hypsiboas
- Hypsicorypha gracilis
- Hypsilohnus
- Hypsipteryx
- Hypsopsetta
- Hyptia deansi
- Hyptia hennigi
- Hyracodon nebraskensis
- Hyrule Warriors
- Hysan udvikling
- Hysteri
- Hysteri (album)
- Hysteria (The Human League album)
- Hysteria (Def Leppard-sang)
- Hysteria (Musesang)
- Hystrichopsylla
- Hystrichopsyllidae
- Hytale
- Hyubris
- Hyundai
- Hyundai Accent
- Hyundai Aero
- Hyundai Aero City
- Hyundai Aero Town
- Hyundai Alcazar
- Hyundai Atos
- Hyundai Chorus
- Hyundai County
- Hyundai Coupe
- Hyundai Coupe
- Hyundai Creta
- Hyundai-dynastiet
- Hyundai Elantra
- Hyundai Engineering and Construction
- Hyundai Entourage
- Hyundai Eon
- Hyundai Equus
- Hyundai Galloper
- Hyundai Genesis
- Hyundai Genesis Coupé
- Hyundai Getz
- Hyundai Global 900
- Hyundai Glovis
- Hyundai Grandeur
- Hyundai Group
- Hyundai H-1
- Hyundai H-100
- Hyundai H350
- Hyundai HB20
- Hyundai HD120
- Hyundai Heavy Industries
- Hyundai i10
- Hyundai i20
- Hyundai i30
- Hyundai i40
- Hyundai Ioniq
- Hyundai ix20
- Hyundai ix55
- Hyundai Kona
- Hyundai Marcia
- Hyundai Marine & Brandforsikring
- Hyundai Matrix
- Hyundai Mobis
- Hyundai motor
- Hyundai Motor Group
- Hyundai Nexo
- Hyundai Palisade
- Hyundai Porter
- Hyundai RB
- Hyundai Rotem
- Hyundai Santa Cruz
- Hyundai Santa Fe
- Hyundai Solaris
- Hyundai Sonata
- Hyundai Staria
- Hyundai stål
- Hyundai Stellar
- Hyundai Terracan
- Hyundai Trago
- Hyundai Trajet
- Hyundai Tucson
- Hyundai Universe
- Hyundai Veloster
- Hyundai Vinashi skibsværft
- Hyundai wia
- Hyundai Xcient
- Hyves
- HY Andromedae
- HY Tvillingerne
- HY Canis Major
- HY Ursa Major
- HY Vægten
- HY Vandmanden
- HY Vognmand
- HY Ulv
- HY Veronicas hår