- Rhabdoblatta
- Rabdoclytus-akutiviitti
- Rabdodendron
- Rhabdodontidae
- Rhabdornis rabori
- Rhabdorrhynchus
- Rhabdotorrhinus
- Rhabdotorrhinus exarhatus
- Rhachiberothidae
- Rhacodactylus sarasinorum
- Rhacognathus
- Rhacophorinae
- Rhacophorus lateralis
- Rhacophorus rhodopus
- Rhadinopsylla
- Rhadinoscelidia
- Rhadinoscelidia delta
- Rhadinoscelidia halimunensis
- Rhadinoscelidia lixa
- Rhadinoscelidia malaysiae
- Rhaebinae
- RHAG
- Rhagionemestriidae
- Rhagodidae
- Rhagoletis
- Rhagoletis flavicincta
- Rhagonycha elongata
- Rhagonycha lignosa
- Rhagonycha nigriventris
- Rhagonycha testacea
- Rhamno-Prunetea
- Rhamnusium
- Rhamphiophis rostratus
- Rhamphocharis piperata
- Rhamphophorus legalovii
- Rhamphorhynchidae
- Rhamphorhynchus
- Rhamphorrina bertolonii
- Rhamphosuchus crassidens
- Rhaphidophora
- Rhaphidura
- Rhaphidura leucopygialis
- Rhaphidura sabini
- Rhaphium borisovi
- Rhaphuma bhutanica
- Rhapsody (käyttöjärjestelmä)
- Rhapsody of Fire
- Rhapsody of the Seas
- Rhaptothyreidae
- Rhayader, Rhayader menee kaupunkiin
- RHCE
- RHCE (geeni)
- RHCT
- RHD (geeni)
- RHEB
- Rhein-Main-Rohrleitungstransportgesellschaft (Saksa)
- Rheinbahn (Düsseldorf)
- Rheinbote
- Rheinmetall
- Rheinturm
- Rhene
- Rheodytes devisi
- Rhescyntis
- Rhiannon (laulu)
- RHIC
- Rhicnoda
- Rhigioglossa
- Rhinecanthus assasi
- Rhinelepis
- Rhinella
- Rhinepeolus
- Rhinestone Cowboy
- Rhinestone Cowboy (laulu)
- Tekojalokivi silmät
- Rhingia
- Rhingia campestris
- Rhiniidae
- Sarvikuono
- Sarvikuono 3D
- Rhinochelys
- Rhinoclemmys funerea
- Rhinoclemmys nasuta
- Rhinocylini
- Rhinocyllus
- Rhinogobius giurinus
- Rhinolithodes wosnessenskii
- Rhinonyssidae
- Rhinossoidosis avium
- Rhinonyssus
- Rhinonyssus dobromiri
- Rhinonyssus kadrae
- Rhinophoridae
- Rhinopias aphanes
- Rhinopias eschmeyeri
- Rhinopias frondosa
- Rhinoptera jayakari
- Rhinoptilus
- Rhinoptilus chalcopterus
- Rhinoptilus cinctus
- Rhinoraja
- Rhinoraja kujiensis
- Rhinoraja longicauda
- Rhinoraja odai
- Rhinorex
- Rhinorhipus tamborinensis
- Rhinosporidium seeberi
- Rhinotermitidae
- Rhinotia haemoptera
- Rhinotia hemistictus
- Rhinotropia rostrata
- Rhino Entertainment
- Rhipicentor
- Rhipicephalini
- Rhipicephalus
- Rhipidoblatta grandis
- Rhipidoblattina lacunata
- Rhipidura albiscapa
- Rhipidura albiventris
- Rhipidura kuivaa
- Rhipidura habibiei
- Rhipidura kordensis
- Rhipidura phasiana
- Rhipidura verreauxi
- Rhipogonum
- Rhipsideigma raffrayi
- Rhithrodytes agnus
- Rhizanthesin pettäjä
- Rhizanthes infanticida
- Rhizanthes zippelii
- Rhizobium
- Rhizobium-radiobakteeri
- Rhizodus
- Rhizoecus bolacis
- Rhizomyinae
- Rhizophagus
- Rhizophora stylosa
- Rhizopulvinaria halli
- Rhizopus oligosporus
- Rhizopus stolonifer
- Rhizosmilodon
- Rhizotera dulitensis
- Rhizotrogus
- Rhodacanthis
- Rhodacaridae
- Rhodacaroidea
- Rhodaliidae
- Rhodesaclerda combreticola
- Rhodinia
- Rhodinia fugax
- Rhodinia jankowskii
- Rhodnius prolixus
- Rhodoblastus
- Rhododendron "Abraham Lincoln"
- Rhododendron "Fantastica"
- Rhododendron "Fireball"
- Rhododendron "Floda"
- Rhododendron "Frank Abbott"
- Rhododendron "Golden Eagle"
- Rhododendron "Gudrun"
- Rhododendron "Hawaii"
- Rhododendron "Helgoland"
- Rhododendron "Ignatius Sargent"
- Rhododendron "Il Tasso"
- Rhododendron "Irina"
- Rhododendron "Jane Abbott"
- Rhododendron "Jolie Madame"
- Rhododendron "Karin Seleger"
- Rhododendron "Ken Janeck"
- Rhododendron "King Tut"
- Rhododendron "Krolova Jadwiga"
- Rhododendron "Mount Saint Helens"
- Rhododendron "Nepal"
- Rhododendron "PMA Tigerstedt"
- Rhododendron "Pink Lights"
- Rhododendron "Pohjolan tytär"
- Rhododendron "President Lincoln"
- Rhododendron "Purple Gem"
- Rhododendron "Roseum Elegans"
- Rhododendron "Rosy Lights"
- Rhododendron "Sylphides"
- Rhododendron "Western Lights"
- Rhododendron aberconwayi
- Rhododendron adenogynum
- Rhododendron aganniphum
- Rhododendron agastum
- Rhododendron alabamense
- Rhododendron albertsenianum
- Rhododendron alutaceum
- Rhododendron annae
- Rhododendron anthopogon
- Rhododendron anthosphaerum
- Rhododendron aperantum
- Rhododendron argyrophyllum
- Rhododendron auriculatum
- Rhododendron columbianum
- Rhododendron dalhousieae
- Rhododendron edgeworthii
- Rhododendron farrerae
- Rhododendron Fraseri Group
- Rhododendron kesangiae
- Rhododendron mucronatum
- Rhodoleptus
- Rhodopechys alienus
- Punasiipinen linssi
- Rhodopseudomonas
- Rhodospirillaceae
- Rhodospirillales
- Rhodospirillum
- Rhodospirillum rubrum
- Rhoetosaurus
- Rhogas dendrolimi
- Rhogepeolus
- Rhomboda polygonoides
- Rhombodera basalis
- Rhomborhina japonica
- Rhomborhina maculicrus
- Rhomborhina nigra
- Rhomborhina polita
- Rhomborhina yksivärinen
- Rhopalomastix
- Rhopalomutillinae
- Rhopalopsyllidae
- Rhopalopyx
- Rhopalosomatidae
- Rhopalothrix
- Rhopalum
- Rhopophilus albosuperciliaris
- Rhoptromyrmex
- Rhoptromyrmex schmitzi
- Rho GTPaasit
- Rhye
- Rhymesayers Entertainment
- Rhynchium
- Rhynchium brunneum
- Rhynchium oculatum
- Rhynchocyclus brevirostris
- Rhynchocyclus fulvipectus
- Rhynchocyclus olivaceus
- Rhynchocyclus pacificus
- Rhynchocyon udzungwensis
- Rhyncholaelia
- Rhynchonellata
- Rhynchonelliformea
- Rhynchonkos
- Rhynchophorus cruentatus
- Rhynchophorus phoenicis
- Rhynchopsitta
- Rhynchopsitta terrisi
- Rhynchhortyx cinctus
- Rhynchospiza
- Rhynchospiza dabbenei
- Rhynchospiza stolzmanni
- Rhynchospiza strigiceps
- Rhynchostruthus louisae
- Rhynchostruthus percivali
- Rhynchostruthus socotranus
- Rhynchostylis retusa
- Rhynchotermes bulbinasus
- Rhynchotus
- Rhynchotus maculicollis
- Rhyniella praecursor
- Rhyniognatha
- Rhyparini
- Rhyparochromidae
- Rhyparus
- Rhyparus azumai
- Rhyparus blantoni
- Rhyparus costaricensis
- Rhyparus denieri
- Rhyparus isidroi
- Rhyparus mexicanus
- Rhyparus opacus
- Rhyparus sculpturatus
- Rhyparus spangleri
- Rhysipolinae
- Rhysodes
- Rhyspleura
- Rhysothorax rufus
- Rhyssaliini
- Rhyssemus
- Rhyssinae
- Rhythmbox
- Rhythmeen
- Rytminen ilmailukaavio
- Rytmit & Hymnit
- Jumalallinen rytmi
- Rytmi sisällä
- Rytmi on minun asiani
- Rakkauden rytmi
- Rhythm of Love (kappale Alena Lanskaya)
- Rhythm of Love Tour
- Pride-maiden rytmi
- Rytmivaras ja keisarin aarre
- Rhyticeros
- Rhyticeros subruficollis
- Rhytididae
- Rhytidocassis
- Rhytidodera bowringi
- Rhytidodera simulans
- Rhytidodus
- Rhytidoponera
- Rhytidoponera aquila
- Rhytidoponera arborea
- Rhytidoponera chalybaea
- Rhytidoponera depilis
- Rhytidoponera insularis
- Rhytidoponera kirghizorum
- Rhytidoponera koumensis
- Rhytidoponera opaciventris
- Rhytidosteus capensis
- Rhytipterna holerythra
- Rhytipterna immunda
- Rhytipterna simplex
- Rhyzobius
- Rhyzobius chrysomeloides
- Rhyzobius litura
- Rh (digrafi)