The ultimate list of all animals that begin with the letter K:
Mammals that start with the letter K
Kaiserโs Rock Rat
Kalinowskiโs Agouti
Kalinowskiโs Mastiff Bat
Kalinowskiโs Oldfield Mouse
Kalubu Echymipera
Kam Dwarf Hamster
Kamchatka Shrew
Kangaroo Island Dunnart
Kashmir Cave Bat
Kashmir Field Mouse
Kashmir Shrew
Kazbeg Birch Mouse
Keaysโs Rice Rat
Keenโs Myotis
Kei Myotis
Kelaartโs Long-clawed Shrew
Kelaartโs Pipistrelle
Kellenโs Dormouse
Kelloggโs Rice Rat
Kempโs Gerbil
Kempโs Grass Mouse
Kempโs Spiny Mouse
Kempโs Thicket Rat
Kennethโs White-toothed Rat
Kenyan Big-eared Free-tailed Bat
Kerala Rat
Khartoum Gerbil
Kiang
Killer Whale
Kimberly Mouse
Kimberly Rock Rat
Kinabalu Squirrel
King Arboreal Rice Rat
King Colobus
King Horseshoe Bat
King Jird
King Mole Rat
King Rat
Kinkajou
Kintampo Rope Squirrel
Kirkโs Dik-dik
Kivu Climbing Mouse
Kivu Shrew
Klipspringer
Kloss Squirrel
Klossโs Gibbon
Klossโs Mole
Kluchor Birch Mouse
Koala
Kob
Kobayashiโs Serotine
Kobe Mole
Kodkod
Kofordโs Grass Mouse
Kolan Vole
Komodo Rat
Kondana Soft-furred Rat
Koopmanโs Pencil-tailed Tree Mouse
Koopmanโs Porcupine
Koopmanโs Rat
Korean Field Mouse
Korean Hare
Korinchโs Rat
Kouprey
Kowari
Kozlovโs Pika
Kozlovโs Pygmy Jerboa
Kozlovโs Shrew
Krebโs Fat Mouse
Kuhlโs Pipistrelle
Kulan
Amphibians that start with K
Kajika Frog
Kalinga Narrowmouth Toad
Karin Bubble-nest Frog
Karoo Dainty Frog
Karoo Toad
Karpathos Frog
Karri Frog
Katanga Caco
Kavieng Wrinkled Ground Frog
Kefersteinโs Toadlet
Kerala Warty Frog
Kern Canyon Slender Salamander
Kern Plateau Slender Salamander
Kiamichi Slimy Salamander
Kiau Borneo Frog
Kihansi Spray Toad
Kinabalu Horned Frog
Kivu Clawed Frog
Kivu Tree Frog
Knife-footed Frog
Knocking Sand Frog
Knysna Banana Frog
Koa Tao Island Caecilian
Kobayashiโs Horned Frog
Kokarit Frog
Kokoe Poison Frog
Korean Crevice Salamander
Kroombit Tinker Frog
Kuatun Horned Toad
Kuhlโs Creek Frog
Kunapalari Frog
Kweichow Crocodile Newt
Birds that start with K
Kadavu Fantail
Kadavu Honeyeater
Kaempferโs Tody-tyrant
Kagu
Kai Cicadabird
Kai Coucal
Kaka
Kakapo
Kakawahie
Kalij Pheasant
Kalkadoon Grasswren
Karamoja Apalis
Karoo Bustard
Karoo Chat
Karoo Lark
Karoo Prinia
Kashmir Flycatcher
Kashmir Nuthatch
Katanga Masked Weaver
Kauai Amakihi
Kauai Oo
Kawall
Kea
Keel-billed Motmot
Keel-billed Toucan
Kelp Goose
Kelp Gull
Kempโs Longbill
Kenrickโs Starling
Kentucky Warbler
Kenya Grosbeak-canary
Kenya Violet-backed Sunbird
Kerguelen Petrel
Kerguelen Tern
Kermadec Petrel
Kesslerโs Thrush
Kestrel
Key West Pigeon
Khasia Hills Cuckoo
Killdeer Plover
Kilombero Weaver
King Bird-of-paradise
King Eider
King Penguin
King Quail
King Vulture
King-of-saxony Bird-of-paradise
Kinglet Calyptura
Kinkimavo
Kioea
Kipengere Seedeater
Kirtlandโs Wood Warbler
Kittlitzโs Murrelet
Kittlitzโs Plover
Kivu Ground-thrush
Klaasโs Cuckoo
Klagesโ Antwren
Kleine Strandloper
Knipolegus Franciscanus
Knob-billed Fruit Dove
Knobbed Hornbill
Knysna Scrub Warbler
Knysna Turaco
Knysna Woodpecker
Koepckeโs Hermit
Koepckeโs Screech-owl
Kofiau Monarch
Kofiau Paradise Kingfisher
Kokako
Koklass Pheasant
Koloa
Kona Grosbeak
Kopje Warbler
Kordofan Bush-lark
Kori Bustard
Koslowโs Bunting
Kosrae Crake
Kozlovโs Accentor
Kr
Kretschmerโs Longbill
Kuhlโs Lorikeet
Kulambangra Monarch
Kulambangra Warbler
Kulambangra White-eye
Kungwe Apalis
Kurrichane Thrush
Fish that start with K
Kaalpens goby
Kabili bumblebee goby
Kafue killifish
Kafue pike
Kagoshima velvetfish
Kagu
Kai dragonet
Kai stargazer
Kai stingaree
Kailolaโs hardyhead
Kailolaโs sea catfish
Kaiwi Channel grenadier
Kakukโs coralbrotula
Kalabans
Kalambo suckermouth
Kalbar rasbora
Kali caribbaea
Kali colubrina
Kali falx
Kali indica
Kali macrodon
Kali macrura
Kali normani
Kali parri
Kali walu
Kalimantan ilisha
Kalimantan river sprat
Kalimantania lawak
Kaluga
Kalyptodoras bahiensis
Kamaka rainbowfish
Kamchatka flounder
Kamiranzovu haplo
Kamohara grenadier
Kampenโs pipefish
Kampoyo
Kanadi kingfish
Kanawha darter
Kanawha minnow
Kandar
Kanekonia florida
Kanekonia pelta
Kantaka barb
Kapala stingaree
Kappie blenny
Kapuas elegant paradise fish
Kapuas river sprat
Karati hangar
Karenteen seabream
Kariba tilapia
Karimunjawa dottyback
Karinโs coralbrotula
Karomo
Karrerโs whiptail
Karut croaker
Kasatkia memorabilis
Kashgarian loach
Kashmir latia
Kashmir triplophysa-loach
Katapa-tapa
Katavi mouthbrooder
Kathala croaker
Katherineโs wrasse
Kathetostoma fluviatilis
Katibasia insidiosa
Katolo
Katrana
Katria katria
Katrineโs coralbrotula
Kaupโs sole
Kaupichthys japonicus
Kavirondo barb
Keel-jawed needle fish
Keelcheek bass
Keeltail needlefish
Kei goby
Kelee shad
Kelloggโs scorpionfish
Kelloggella centralis
Kelloggella oligolepis
Kelloggella tricuspidata
Kelp greenling
Kelp gunnel
Kelp klipfish
Kelp perch
Kelp poacher
Kelp rockfish
Kelp sculpin
Kelp weedfish
Kelpfish
Kemp garra
Kentrocapros eco
Kentrocapros flavofasciatus
Kentucky darter
Kenyaconger heemstrai
Kenyan chromis
Kenyi cichlid
Keppi
Kerala mystus
Kerguelen sandpaper skate
Kerguelen spiny plunderfish
Kermadec rattail
Kermadec scalyfin
Kermadec spiny dogfish
Kermadec triplefin
Kern brook lamprey
Kesslerโs loach
Kestratherina esox
Key anchovy
Key blenny
Key brotula
Key goby
Key silverside
Key worm eel
Keyhole angelfish
Keyhole cichlid
Khadary-whitefish
Khaki flounder
Khandalla minnow
Khanka gudgeon
Khanka spiny bitterling
Khasi garra
Khavalchor catfish
Khavli barb
Kiamichi shiner
Kibiti Lampeye
Kidoโs snailfish
Kienerโs silverside
Kikado moray
Kikambala nothobranch
Killarney shad
Killifish
Kimberley blenny
Kimberley catfish
Kimberley grunter
Kimberley spangled perch
Kindia killi
King angelfish
King dory
King of herrings
King soldierbream
King weakfish
Kingโs bullhead
Kingklip
Kinkin
Kinneret bleak
Kirikuchi char
Kirkโs blenny
Kissing gourami
Kissing loach
Kittipongโs cave loach
Kiunga bleheri
Kiver
Kiyi
Klamath Lake sculpin
Klamath largescale sucker
Klamath river lamprey
Klamath smallscale sucker
Klausewitzโ garden eel
Klausewitzia ritae
Klunzingerโs wrasse
Knerโs goby
Kneria ansorgii
Kneria katangae
Kneria paucisquamata
Kneria ruaha
Kneria rukwaensis
Kneria sjolandersi
Kneria stappersii
Kneria uluguru
Kneria wittei
Knife livebearer
Knife razorfish
Knife-back seabream
Knife-snouted pipefish
Knifefish
Knifejaw
Knifetooth dogfish
Knightโs dottyback
Knipowitschโs tadpole
Knipowitschia cameliae
Knipowitschia caucasica
Knipowitschia croatica
Knipowitschia ephesi
Knipowitschia goerneri
Knipowitschia iljini
Knipowitschia longecaudata
Knipowitschia mermere
Knipowitschia milleri
Knipowitschia montenegrina
Knipowitschia mrakovcici
Knipowitschia punctatissima
Knipowitschia radovici
Knobbed porgy
Knobsnout parrotfish
Knodus borki
Knodus breviceps
Knodus caquetae
Knodus chapadae
Knodus delta
Knodus gamma
Knodus geryi
Knodus heteresthes
Knodus longus
Knodus megalops
Knodus meridae
Knodus mizquae
Knodus moenkhausii
Knodus orteguasae
Knodus pasco
Knodus savannensis
Knodus septentrionalis
Knodus shinahota
Knodus smithi
Knodus tiquiensis
Knodus victoriae
Knoppโs shark
Knothead parrotfish
Knout goby
Knysna sandgoby
Koaro
Kocha garua
Kochichthys flavofasciatus
Koefoedโs searsid
Koefoedโs smooth-head
Koemapari
Koester
Kokko
Kokoda mogurnda
Kokoda perchlet
Kokuni
Kolombatovicโs goby
Kolpotocheirodon figueiredoi
Kolpotocheirodon theloura
Kolus
Komodo cardinalfish
Kongoro lampeye
Koningsbergerโs herring
Konoshiro gizzard shad
Konye
Kopua kuiteri
Kopua nuimata
Korean bittering
Korean lamprey
Korean sandeel
Korean seerfish
Korean skate
Korean stumpy bullhead
Koreocobitis naktongensis
Korhi barb
Korogwe tilapia
Kosi nangra
Kosi rockskipper
Kosogol grayling
Kosswigobarbus kosswigi
Kotlyarโs whiptail
Kotso
Kotsovato
Kottelat rasbora
Kottelatlimia hipporhynchos
Kottelatlimia katik
Kottelatlimia pristes
Koumanโs prawn-goby
Krabi mouth brooder betta
Kraemeria galatheaensis
Kraemeria merensis
Kraemeria nuda
Kraemeria tongaensis
Kraemericus smithi
Kraussโ blenny
Krefftโs ray
Krefftโs smooth-head
Krefftichthys anderssoni
Krempfโs flounder
Kribensis
Kribi killi
Kribia kribensis
Kribia leonensis
Kribia nana
Kribia uellensis
Krieteโs tonguefish
Krishna carp
Krishna mystus
Krobia
Kroki
Kroneโs flat suckermouth catfish
Kronichthys lacerta
Kronichthys subteres
Kroyerโs lanternfish
Krusensterniella maculata
Krusensterniella multispinosa
Krusensterniella notabilis
Krusensterniella pavlovskii
Krynickiโs loach
Kryptolebias campelloi
Kryptolebias caudomarginatus
Kryptolebias gracilis
Kryptolebias sepia
Kryptopterus cheveyi
Kryptopterus cryptopterus
Kryptopterus geminus
Kryptopterus lais
Kryptopterus lumholtzi
Kryptopterus palembangensis
Kryptopterus paraschilbeides
Kryptopterus piperatus
Kryptopterus sabanus
Kryptopterus schilbeides
Kuban barbel
Kubanโs nase
Kubuna hardyhead
Kudersky parketnik
Kuhlia boninensis
Kuhlia caudavittata
Kuhlia nutabunda
Kuhlia petiti
Kuhlia rubens
Kuhlia xenura
Kukumai
Kukwari sea catfish
Kulbickiโs triplefin
Kulbickiโs pipefish
Kululu
Kumakuma
Kumaon snowtrout
Kumba calvifrons
Kumba dentoni
Kumba gymnorhynchus
Kumba hebetata
Kumba japonica
Kumba maculisquama
Kumba musorstom
Kumba punctulata
Kunar snowtrout
Kunashir smelt
Kunming catfish
Kunming nase
Kupang cardinalfish
Kupang pony fish
Kura barbel
Kura bleak
Kura gudgeon
Kura loach
Kura nase
Kura shad
Kurchatovโs notoliparis
Kuria labeo
Kuronezumia darus
Kuronezumia leonis
Kuronezumia macronema
Kuronezumia paepkei
Kuronezumia pallida
Kuroshinoshita
Kuschakewitsch loach
Kutum
Kwab
Kwangtung skate
Kyack
Kyonemichthys rumengani
Kyphosus cornelii
Kyphosus pacificus
Kyushu bitterling
Reptiles that start with K
Kangaroo Island Copperhead
Karoo Plated Lizard
Kasnerโs Burrowing Skink
Kaznakowโs Viper
Keel-scaled Earless Lizard
Keeled Box Turtle
Keeled Earth Snake
Keeled Spiny Lizard
Kempโs Ridley Turtle
Kinkelin Graceful Brown Snake
Kinosternon Arizonense
Kinosternon Durangoense
Kirtlandโs Snake
Knob-scaled Lizard
Komodo Island Monitor
Koraten Writhing Skink
Kuhlmanโs Tree Iguana

Lydia King is a huge animal lover and has always been fascinated with learning about the animal kingdom. She enjoys writing about anything animal related from scientific information about rare species to animal references in pop culture.