Hello, I’m Kodak.
English-speaking dogs say “woof,” “ruff,” or “bow-wow.” Japanese dogs are usually written as saying ワン or ワンワン.
Why do Japanese people hear wan wan instead of woof woof?
Each language turns a real animal sound into the sound pattern that feels natural to its speakers. In Japanese, the standard imitation of a dog barking is ワンワン (wan wan).
ワン (wan) represents one dog bark.
ワンワン (wan wan) represents repeated barking and is similar to “woof woof” or “bow-wow.”
The ordinary Japanese word for a dog is 犬 (inu). Because the sound is closely associated with dogs, ワンワン can also mean “doggie” in speech for young children.
犬がワンワン吠えている。
Inu ga wan wan hoete iru.
The dog is barking.
This article covers four connected questions:
What ワン and ワンワン mean and how they are written
2. Japanese dog sounds
How ワンワン differs from キャンキャン, クンクン, ウー, ガルル, and ワオーン
3. How to talk about barking
The difference between 犬, 鳴く, 吠える, わんこ, and ワンちゃん
4. Japanese animal sounds
Common sounds for cats, cows, pigs, sheep, horses, chickens, frogs, crows, mice, and other animals
- 1 What Does Wan Wan Mean in Japanese?
- 2 Wan vs Wan Wan: What Is the Difference?
- 3 How Do You Pronounce Wan Wan?
- 4 Why Is Wan Wan Usually Written in Katakana?
- 5 Inu vs Wan Wan: Which One Means “Dog”?
- 6 How Do You Say “A Dog Barks” in Japanese?
- 7 Japanese Dog Sounds: More Than Wan Wan
- 8 Quick Guide to Japanese Dog Emotions
- 9 Why Do Japanese and English Hear Dog Sounds Differently?
- 10 Wan Wan Can Also Describe Loud Crying
- 11 How Wan Wan Appears in Anime, Manga, and Children’s Media
- 12 Common Japanese Animal Sounds
- 13 How to Use Japanese Animal Sounds Grammatically
- 14 Giseigo, Giongo, and Gitaigo
- 15 Natural Japanese Example Sentences with Wan Wan
- 16 Common Beginner Mistakes
- 16.1 Mistake 1: Using Wan Wan as the Neutral Word for Dog
- 16.2 Mistake 2: Translating Every Dog Sound as Wan Wan
- 16.3 Mistake 3: Confusing 鳴く with Human 泣く
- 16.4 Mistake 4: Assuming Sound Words Are Scientific Transcriptions
- 16.5 Mistake 5: Confusing ワンちゃん with ワンチャン
- 16.6 Mistake 6: Assuming Repetition Always Means Exactly Two Sounds
- 17 FAQ About Wan Wan and Japanese Animal Sounds
- 17.1 What does wan wan mean in Japanese?
- 17.2 How do dogs bark in Japanese?
- 17.3 What is “woof” in Japanese?
- 17.4 What is “dog” in Japanese?
- 17.5 What does wanko mean?
- 17.6 What does wan-chan mean?
- 17.7 What is the difference between wan and wan wan?
- 17.8 How do you say “to bark” in Japanese?
- 17.9 What does kyan kyan mean?
- 17.10 What does kun kun mean for a dog?
- 17.11 What does wao-n mean?
- 17.12 Can wan wan mean crying?
- 17.13 Why do Japanese dogs say wan wan?
- 17.14 What sound does a cat make in Japanese?
- 17.15 What sound does a cow make in Japanese?
- 17.16 What sound does a rooster make in Japanese?
- 17.17 What is giseigo?
- 18 Summary: Wan Wan and Japanese Dog Sounds
- 19 Related Articles
- 20 References
What Does Wan Wan Mean in Japanese?
Hiragana: わんわん
Katakana: ワンワン
Romaji: wan wan
English: woof woof; bow-wow; the sound of a dog barking
Wan wan is a Japanese 擬声語 (giseigo)—a word that imitates the voice or cry of a living creature.
犬がワンワン吠えています。
Inu ga wan wan hoete imasu.
The dog is barking.
外で犬がワンワン鳴いている。
Soto de inu ga wan wan naite iru.
A dog is barking outside.
「ワンワン！」と犬が走ってきた。
“Wan wan!” to inu ga hashitte kita.
“Woof woof!” The dog came running toward me.
Think of it like English woof: the word is built to suggest the sound itself.
Wan vs Wan Wan: What Is the Difference?
One bark: “woof!”
ワンワン (wan wan)
Repeated or continuing barking: “woof woof!” / “bow-wow!”
ワンワンワン！
Several written barks, often used in manga, picture books, captions, or dialogue
犬が一度「ワン」と鳴いた。
Inu ga ichido “wan” to naita.
The dog barked once.
知らない人を見て、犬がワンワン吠えた。
Shiranai hito o mite, inu ga wan wan hoeta.
The dog barked repeatedly when it saw a stranger.
Compare ワンワン for repeated barking, ニャーニャー for repeated meowing, and ぴょんぴょん for repeated hopping.
How Do You Pronounce Wan Wan?
wan・wan
Each わん has two morae:
わ (wa) + ん (n)
The final ん is a separate beat. Avoid pronouncing it exactly like the English number one.
A simple learner approximation is wahn wahn, spoken briefly and evenly.
Why Is Wan Wan Usually Written in Katakana?
Both わんわん and ワンワン are correct. Katakana is especially common for clearly represented sounds in comics, captions, signs, and educational lists.
Visually strong; common for a dog’s written bark
わんわん
Softer and friendlier; common in children’s material or gentle prose
ワン！
A sharp bark in dialogue or manga
わん♪
A cute, stylized bark in character speech
Punctuation, font size, repetition, and context do more to show loudness: ワン！, ワンワン！, or ワンワンワン！！
Inu vs Wan Wan: Which One Means “Dog”?
The standard neutral noun “dog”
ワンワン (wan wan)
The sound “woof woof”; also a child’s word for “doggie”
わんこ (wanko)
An affectionate or cute word for a dog
ワンちゃん (wan-chan)
“Doggie” or an affectionate way to refer to a dog
犬がいます。
Inu ga imasu.
There is a dog.
ほら、ワンワンがいるよ。
Hora, wan wan ga iru yo.
Look, there’s a doggie.
かわいいわんこですね。
Kawaii wanko desu ne.
What a cute dog.
このワンちゃん、何歳ですか？
Kono wan-chan, nansai desu ka?
How old is this doggie?
Calling a dog ワンワン sounds child-oriented. わんこ and ワンちゃん are affectionate and widely understood, but they are cuter and less neutral than 犬.
Wanko Meaning
わんこ developed from the dog sound わん and is a childlike or affectionate word for a dog.
わんこ — doggy; cute and affectionate
子犬 — puppy; specifically a young dog
It is an established affectionate word for a dog. A puppy is specifically 子犬 (koinu).
Wan-chan Meaning—and the “One Chance” Slang
ワンちゃん normally means “doggie,” with ちゃん adding affection.
However, learners may also see:
wan + affectionate suffix chan
⇒ doggie
ワンチャン
shortened from English “one chance”
⇒ maybe; there is a chance; possibly
あのワンちゃん、かわいいね。
Ano wan-chan, kawaii ne.
That doggie is cute.
ワンチャン間に合うかもしれない。
Wanchan maniau kamo shirenai.
There’s a chance we might make it in time.
A visible dog or animal discussion suggests ワンちゃん. A statement about possibility suggests the slang ワンチャン.
How Do You Say “A Dog Barks” in Japanese?
The two verbs beginners encounter are 鳴く (naku) and 吠える (hoeru).
A general verb for an animal making its characteristic sound
⇒ cry, call, chirp, meow, bark, and so on depending on the animal
吠える (hoeru)
To bark, howl, roar, or bellow strongly
⇒ especially natural for a dog’s forceful barking
犬が鳴いている。
Inu ga naite iru.
The dog is making a sound / barking.
犬が知らない人に吠えている。
Inu ga shiranai hito ni hoete iru.
The dog is barking at a stranger.
夜中に犬がワンワン吠えた。
Yonaka ni inu ga wan wan hoeta.
A dog barked repeatedly in the middle of the night.
Also recognize 鳴く as the broader animal-sound verb. Both can appear with dogs, but 吠える emphasizes barking more clearly.
Useful Dog-Sound Sentence Patterns
A dog barks.
犬が人に吠える。
A dog barks at a person.
犬が大きな声で吠える。
A dog barks loudly.
犬の鳴き声が聞こえる。
I can hear a dog’s voice/barking.
犬が吠えるのをやめた。
The dog stopped barking.
うちの犬はあまり吠えない。
My dog does not bark very much.
Japanese Dog Sounds: More Than Wan Wan
Japanese changes the sound word to suggest the dog’s size, emotion, volume, or type of vocalization.
ワン / ワンワン: A Normal Bark
One ordinary bark
ワンワン！
Repeated ordinary barking
キャン / キャンキャン: A Sharp Yelp or High-Pitched Bark
キャンキャン suggests a small, sharp, high-pitched bark or yelp. It may sound excited, frightened, or noisy.
小型犬がキャンキャン鳴いている。
Kogataken ga kyan kyan naite iru.
A small dog is yapping.
クンクン: Whining or Sniffing
クンクン may represent a soft whine, but it is also commonly used for repeated sniffing.
The dog whines softly.
犬が地面をクンクン嗅ぐ。
The dog sniffs the ground repeatedly.
クンクン鳴く is soft whining. クンクン嗅ぐ is sniffing. Japanese sound words often depend heavily on the verb and situation.
ウー / ウーッ: A Warning Growl
ウー represents a low warning sound.
犬が「ウーッ」とうなっている。
Inu ga “ū” to unatte iru.
The dog is growling.
The verb うなる (unaru) means to growl, groan, or make a low sound.
ガルル / ガルルル: A Strong, Dramatic Growl
ガルル is a stylized growl common in manga, games, and dramatic descriptions.
A realistic low warning growl
ガルルル
A more dramatic, aggressive, or fictionalized growling sound
ワオーン / アオーン: A Howl
ワオーン or アオーン represents a long howl.
遠くで犬がワオーンと遠吠えした。
Tōku de inu ga waōn to tōboe shita.
A dog howled in the distance.
a howl heard over a distance
遠吠えする
to howl
Quick Guide to Japanese Dog Emotions
Ordinary single bark
ワンワン！
Repeated barking; alert, excitement, demand, or warning depending on context
キャン！
A sudden yelp, often pain or surprise
キャンキャン
High-pitched yapping
クンクン
Soft whining or repeated sniffing
ウーッ
Low warning growl
ガルルル
Aggressive or dramatic growl
ワオーン
Long howl
The situation, body language, punctuation, and surrounding description tell you whether the dog is excited, playful, protective, frightened, or angry.
Why Do Japanese and English Hear Dog Sounds Differently?
Onomatopoeia does not reproduce sound like an audio recording. It translates sound into the permitted syllables and familiar patterns of a language.
ワンワン (wan wan)
English
woof woof / bow-wow / ruff ruff
French
ouaf ouaf
German
wau wau
Spanish
guau guau
Korean
멍멍 (meong meong)
They are conventional sound pictures. Once a community learns one form, speakers quickly recognize it as “the dog sound.”
Has Japanese Always Used Wan Wan?
Japanese dictionaries record わんわん as a dog-bark imitation in texts from around the late medieval to early modern period. Like other animal sounds, the written imitation has varied across historical periods and genres.
The stable modern convention is:
Cat ⇒ ニャーニャー
Rooster ⇒ コケコッコー
Wan Wan Can Also Describe Loud Crying
わんわん does not always refer to a dog. It can describe a person crying loudly and openly.
子どもがわんわん泣いている。
Kodomo ga wan wan naite iru.
The child is crying loudly.
映画を見て、彼はわんわん泣いた。
Eiga o mite, kare wa wan wan naita.
He sobbed loudly after watching the movie.
It is especially common for children, though adults can also わんわん泣く.
Wan Wan Can Describe a Loud Echoing Sound
The word can also describe a large voice or sound echoing strongly.
歓声が会場にわんわん響いた。
Kansei ga kaijō ni wan wan hibiita.
The cheers echoed loudly through the venue.
Context and the following verb distinguish the meanings:
bark repeatedly
わんわん泣く
cry or sob loudly
わんわん響く
echo or reverberate loudly
How Wan Wan Appears in Anime, Manga, and Children’s Media
In comics and animation, written dog sounds may be changed for character, volume, and mood.
Normal sharp bark
ワンワン！
Excited or repeated barking
わんっ！
Small, cute bark
わおーん
Long, lonely, or comic howl
ガルルル…
Threatening growl
きゃん！
A yelp of pain, surprise, or fear
This is character speech, not a normal sentence ending used by Japanese speakers in everyday conversation.
Common Japanese Animal Sounds
The following list gives common conventional sounds. Real animals make a wider range of noises, and manga may creatively alter the spelling.
ワンワン — woof woof / bow-wow
Cat — 猫 (neko)
ニャー / ニャーニャー — meow / meow meow
Cow — 牛 (ushi)
モー — moo
Pig — 豚 (buta)
ブーブー — oink oink
Sheep — 羊 (hitsuji)
メーメー — baa baa
Goat — 山羊 (yagi)
メェー — bleat / maa
Horse — 馬 (uma)
ヒヒーン — neigh
Rooster — 雄鶏 (ondori)
コケコッコー — cock-a-doodle-doo
Chick — ひよこ (hiyoko)
ピヨピヨ — peep peep / cheep cheep
Crow — 烏 (karasu)
カーカー — caw caw
Sparrow — 雀 (suzume)
チュンチュン — chirp chirp
Pigeon — 鳩 (hato)
ポッポー / クルックー — coo
Owl — 梟 (fukurō)
ホーホー — hoot hoot
Mouse — 鼠 (nezumi)
チューチュー — squeak squeak
Frog — 蛙 (kaeru)
ケロケロ / ゲロゲロ — ribbit / croak
Duck — 家鴨 (ahiru)
ガーガー — quack quack
Monkey — 猿 (saru)
キーキー — screech / chatter
Elephant — 象 (zō)
パオーン — trumpet
Lion — ライオン (raion)
ガオー — roar
Fox — 狐 (kitsune)
コンコン — conventional fox cry in Japanese folklore and children’s language
Adults do not constantly imitate animals in ordinary conversation, but these forms are normal Japanese vocabulary and appear in writing, news, books, manga, and daily descriptions.
How to Use Japanese Animal Sounds Grammatically
Pattern 1: Sound + と + 鳴く / 吠える
A dog barks “woof woof.”
猫がニャーと鳴く。
A cat meows.
牛がモーと鳴く。
A cow moos.
The quotation particle と presents the sound being made. In casual or descriptive writing, と is often omitted.
犬がワンワン吠える。
Both are natural.
Pattern 2: Sound + という
日本語では、犬の鳴き声を「ワンワン」と言います。
Nihongo de wa, inu no nakigoe o “wan wan” to iimasu.
In Japanese, a dog’s sound is expressed as “wan wan.”
Pattern 3: Sound as a Noun
犬のワンワンが聞こえる。
Inu no wan wan ga kikoeru.
I can hear a dog’s barking.
This is informal and sound-focused. The neutral noun phrase is 犬の鳴き声, “the sound/voice of a dog.”
Pattern 4: Repeated Sound + する
Some sound words combine naturally with する, but for animal voices, beginners will usually sound clearer with 鳴く, 吠える, or a specific verb such as うなる.
For standard learner Japanese, 犬がワンワン鳴く or 犬がワンワン吠える is more precise.
Giseigo, Giongo, and Gitaigo
Japanese textbooks may divide expressive sound words into several categories.
Words imitating voices of people or animals
Examples: ワンワン, ニャーニャー, メーメー
擬音語 (giongo)
Words imitating nonliving sounds
Examples: ドンドン, ザーザー, ガチャン
擬態語 (gitaigo)
Words expressing a state, movement, or feeling without necessarily copying a real sound
Examples: ぴかぴか, ふわふわ, ぐっすり
When you want the more specific Japanese category, wan wan is giseigo because it imitates an animal’s voice.
Natural Japanese Example Sentences with Wan Wan
犬がワンワン吠えています。
Inu ga wan wan hoete imasu.
The dog is barking.
玄関の前で犬がワンと鳴いた。
Genkan no mae de inu ga wan to naita.
A dog barked once in front of the entrance.
うちの犬は知らない人にワンワン吠えます。
Uchi no inu wa shiranai hito ni wan wan hoemasu.
My dog barks at strangers.
夜中に犬の鳴き声で目が覚めた。
Yonaka ni inu no nakigoe de me ga sameta.
I woke up in the middle of the night because of a dog barking.
子犬がクンクン鳴いています。
Koinu ga kun kun naite imasu.
The puppy is whining softly.
その犬は地面をクンクン嗅いでいた。
Sono inu wa jimen o kun kun kaide ita.
The dog was sniffing the ground.
犬が低い声でウーッとうなった。
Inu ga hikui koe de ū to unatta.
The dog gave a low growl.
遠くからワオーンという遠吠えが聞こえた。
Tōku kara waōn to iu tōboe ga kikoeta.
I heard a long howl in the distance.
あのわんこは人懐っこい。
Ano wanko wa hitonatsukkoi.
That dog is friendly with people.
このワンちゃんを触ってもいいですか？
Kono wan-chan o sawatte mo ii desu ka?
May I pet this dog?
迷子の子どもがわんわん泣いていた。
Maigo no kodomo ga wan wan naite ita.
The lost child was crying loudly.
会場に歓声がわんわん響いた。
Kaijō ni kansei ga wan wan hibiita.
The cheers echoed loudly through the venue.
Common Beginner Mistakes
Mistake 1: Using Wan Wan as the Neutral Word for Dog
Sound: ワンワン (wan wan)
Child-oriented “doggie”: ワンワン
Cute/affectionate: わんこ / ワンちゃん
Mistake 2: Translating Every Dog Sound as Wan Wan
Use the more specific form when the sound is clearly a yelp, whine, growl, or howl.
Mistake 3: Confusing 鳴く with Human 泣く
An animal cries, calls, chirps, meows, or barks
泣く
A person cries or weeps
Both are pronounced naku, but the kanji and meanings differ.
Mistake 4: Assuming Sound Words Are Scientific Transcriptions
They are language conventions. A real dog may bark in many ways, and context determines which written sound fits.
Mistake 5: Confusing ワンちゃん with ワンチャン
The first can mean “doggie”; the second is modern slang derived from “one chance.”
Mistake 6: Assuming Repetition Always Means Exactly Two Sounds
Wan wan often represents continuing or repeated barking generally, not necessarily precisely two barks.
FAQ About Wan Wan and Japanese Animal Sounds
What does wan wan mean in Japanese?
Wan wan, written ワンワン or わんわん, is the conventional Japanese sound of a dog barking. It is similar to “woof woof” or “bow-wow.”
How do dogs bark in Japanese?
A normal bark is usually written ワン, and repeated barking is ワンワン.
What is “woof” in Japanese?
ワン (wan) is the closest standard equivalent of one “woof.”
What is “dog” in Japanese?
The neutral word is 犬 (inu). ワンワン can also mean “doggie” in language used with young children.
What does wanko mean?
わんこ (wanko) is a cute or affectionate word for a dog. A puppy specifically is 子犬 (koinu).
What does wan-chan mean?
ワンちゃん is an affectionate “doggie.” Do not confuse it with the slang ワンチャン, derived from “one chance,” meaning “maybe” or “there is a chance.”
What is the difference between wan and wan wan?
Wan suggests one bark, while wan wan suggests repeated or continuing barking.
How do you say “to bark” in Japanese?
吠える (hoeru) is the direct verb “to bark” or “to howl.” 鳴く (naku) is a broader verb for an animal making its characteristic sound.
What does kyan kyan mean?
キャンキャン represents a high-pitched yap or yelp, often associated with a small, excited, frightened, or noisy dog.
What does kun kun mean for a dog?
クンクン can represent soft whining or repeated sniffing. The verb and context show which meaning is intended.
What does wao-n mean?
ワオーン represents a long dog or wolf-like howl.
Can wan wan mean crying?
Yes. わんわん泣く means to cry or sob loudly and openly.
Why do Japanese dogs say wan wan?
Languages interpret real sounds through their own familiar sound systems. Japanese conventionally represents a normal dog bark as wan wan.
What sound does a cat make in Japanese?
A cat says ニャー (nyā) or ニャーニャー, similar to “meow.”
What sound does a cow make in Japanese?
A cow says モー (mō), similar to English “moo.”
What sound does a rooster make in Japanese?
A rooster says コケコッコー (kokekokkō).
What is giseigo?
擬声語 (giseigo) is Japanese vocabulary that imitates a person’s or animal’s voice. Wan wan is a typical example.
Summary: Wan Wan and Japanese Dog Sounds
ワンワン means “woof woof” or “bow-wow,” the standard Japanese dog-barking sound.
● Wan vs wan wan
ワン = one bark
ワンワン = repeated or continuing barking
● Dog in Japanese
犬 = neutral “dog”
ワンワン = doggie in child language
わんこ / ワンちゃん = affectionate “doggy”
● Barking verbs
吠える = bark or howl
鳴く = make an animal sound
● Other dog sounds
キャンキャン = yapping or yelping
クンクン = whining or sniffing
ウーッ = warning growl
ガルルル = dramatic growl
ワオーン = howl
● Other meaning
わんわん泣く means to cry loudly.
● Onomatopoeia category
Wan wan is 擬声語, a word imitating an animal’s voice.
● Language difference
Japanese uses ワンワン where English commonly uses woof woof, bow-wow, or ruff ruff.
犬 (inu) = dog
ワンワン (wan wan) = woof woof
Then listen to the dog’s emotion. A bark, yelp, whine, growl, and howl each has its own Japanese sound image.
Related Articles
- Japanese Animal Words: Animals, Sounds, and Folklore
- Tanuki Meaning: The Animal, Folklore, and Tanuki Statue
- Neko Meaning: Cats and Maneki-neko
- Usagi Meaning: Rabbits and the Moon Rabbit Legend
References
- Kotobank: わんわん—dog barking, loud crying, loud reverberation, and child-language “dog”
- Kotobank: 犬—the standard Japanese word for dog and the conventional bark ワンワン
- Kotobank Progressive Japanese-English Dictionary: animal cries, including bark, yelp, and whine
- Kotobank: わんこ—an affectionate or child-language word for dog
- Kotobank: わんちゃん—an affectionate child-language word for dog
- Kotobank: 擬声語—onomatopoeic words imitating voices and sounds
- Kotobank: にゃあにゃあ—the conventional sound of a cat
- Kotobank: こけこっこう—the conventional sound of a rooster
- Kotobank: ぴよぴよ—the sound of chicks
- Kotobank Progressive Japanese-English Dictionary: モー—the sound of a cow
