| ko | |||
|---|---|---|---|
| |||
| Transliteration | ko | ||
| Translit. withdakuten | go | ||
| Translit. with handakuten | (ngo) | ||
| Hiragana origin | 己 | ||
| Katakana origin | 己 | ||
| Man'yōgana | 古 姑 枯 故 侯 孤 児 粉 己 巨 去 居 忌 許 虚 興 木 | ||
| Voiced man'yōgana | 吾 呉 胡 娯 後 籠 児 悟 誤 其 期 碁 語 御 馭 凝 | ||
| Spelling kana | 子供のコ (Kodomo no "ko") | ||
| Note: These Man'yōgana originally represented morae with one of two different vowel sounds, which merged in later pronunciation. | |||
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| Multi-moraic kana | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Ko (hiragana: こ,katakana: コ) is one of the Japanesekana, each of which represents onemora. Both representIPA:[ko]. The shape of these kana comes from thekanji己.
This character may be supplemented by adakuten; it becomes ご in hiragana, ゴ in katakana andgo inHepburn romanization. Also, the pronunciation is affected, transforming into[ɡo] in initial positions and varying between[ŋo] and[ɣo] in the middle of words.
Ahandakuten (゜) does not occur withko in normal Japanese text, but it may be used by linguists to indicate anasal pronunciation[ŋo].
| Form | Rōmaji | Hiragana | Katakana |
|---|---|---|---|
| Normalk- (か行ka-gyō) | ko | こ | コ |
| kou koo kō | こう, こぅ こお, こぉ こー | コウ, コゥ コオ, コォ コー | |
| Additiondakuteng- (が行ga-gyō) | go | ご | ゴ |
| gou goo gō | ごう, ごぅ ごお, ごぉ ごー | ゴウ, ゴゥ ゴオ, ゴォ ゴー |


| Japanese radiotelephony alphabet | Wabun code |
| 子供のコ Kodomo no "Ko" | ▄▄▄ ▄▄▄ ▄▄▄ ▄▄▄ ⓘ |
| Japanese Navy Signal Flag | Japanese semaphore | Japanese manual syllabary (fingerspelling) | Braille dots-246 Japanese Braille |
| こ / コ inJapanese Braille | |||||||
|---|---|---|---|---|---|---|---|
| こ / コ ko | ご / ゴ go | こう / コー kō/kou | ごう / ゴー gō/gou | Other kana based onBraille こ | |||
| きょ / キョ kyo | ぎょ / ギョ gyo | きょう / キョー kyō/kyou | ぎょう / ギョー gyō/gyou | ||||
| Preview | こ | コ | コ | ご | ゴ | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Unicode name | HIRAGANA LETTER KO | KATAKANA LETTER KO | HALFWIDTH KATAKANA LETTER KO | HIRAGANA LETTER GO | KATAKANA LETTER GO | |||||
| Encodings | decimal | hex | dec | hex | dec | hex | dec | hex | dec | hex |
| Unicode | 12371 | U+3053 | 12467 | U+30B3 | 65402 | U+FF7A | 12372 | U+3054 | 12468 | U+30B4 |
| UTF-8 | 227 129 147 | E3 81 93 | 227 130 179 | E3 82 B3 | 239 189 186 | EF BD BA | 227 129 148 | E3 81 94 | 227 130 180 | E3 82 B4 |
| Numeric character reference | こ | こ | コ | コ | コ | コ | ご | ご | ゴ | ゴ |
| Shift JIS[1] | 130 177 | 82 B1 | 131 82 | 83 52 | 186 | BA | 130 178 | 82 B2 | 131 83 | 83 53 |
| EUC-JP[2] | 164 179 | A4 B3 | 165 179 | A5 B3 | 142 186 | 8E BA | 164 180 | A4 B4 | 165 180 | A5 B4 |
| GB 18030[3] | 164 179 | A4 B3 | 165 179 | A5 B3 | 132 49 152 50 | 84 31 98 32 | 164 180 | A4 B4 | 165 180 | A5 B4 |
| EUC-KR[4] /UHC[5] | 170 179 | AA B3 | 171 179 | AB B3 | 170 180 | AA B4 | 171 180 | AB B4 | ||
| Big5 (non-ETEN kana)[6] | 198 183 | C6 B7 | 199 75 | C7 4B | 198 184 | C6 B8 | 199 76 | C7 4C | ||
| Big5 (ETEN /HKSCS)[7] | 198 249 | C6 F9 | 199 175 | C7 AF | 198 250 | C6 FA | 199 176 | C7 B0 | ||
| Preview | こ゚ | コ゚ | ㋙ | |||
|---|---|---|---|---|---|---|
| Unicode name | HIRAGANA LETTER BIDAKUON NGO[8] | KATAKANA LETTER BIDAKUON NGO[8] | CIRCLED KATAKANA KO | |||
| Encodings | decimal | hex | dec | hex | dec | hex |
| Unicode | 12371 12442 | U+3053+309A | 12467 12442 | U+30B3+309A | 13017 | U+32D9 |
| UTF-8 | 227 129 147 227 130 154 | E3 81 93 E3 82 9A | 227 130 179 227 130 154 | E3 82 B3 E3 82 9A | 227 139 153 | E3 8B 99 |
| Numeric character reference | こ | こ | コ | コ | ㋙ | ㋙ |
| Shift JIS-2004[9] | 130 246 | 82 F6 | 131 152 | 83 98 | ||
| EUC-JIS-2004[10] | 164 251 | A4 FB | 165 251 | A5 FB | ||
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