Are you looking for beautiful and cute Japanese baby Boy names that start with the letter K? To help you in searching for the latest and modern Japanese baby boy names, we have created an extensive list of the Top 1700 most popular and adorable K-letter Japanese boy names with their beautiful meanings.
Choose a unique name from our newest collection of Top 1700 Japanese Baby Boy Names starting with K.
| Name | Meaning | Origin | Gender | Numerology |
|---|---|---|---|---|
| Konyou | Friend, Sun, | Japanese | Boy | 2 |
| Konzou | Large, Warehouse, | Japanese | Boy | 3 |
| Koo | Transcendental, | Japanese | Boy | 5 |
| Kooga | Yellow, Refinement, Elegance, Grace, | Japanese | Boy | 4 |
| Koon | Tiger, Sound, | Japanese | Boy | 1 |
| Koori | County, | Japanese | Boy | 5 |
| Kootarou | Mottled Pattern Of Tiger Skin, , Man, Fang, | Japanese | Boy | 8 |
| Kooto | Concern, Care, Sound, | Japanese | Boy | 4 |
| Koou | Small, King, | Japanese | Boy | 8 |
| Korai | Tiger, Night, | Japanese | Boy | 9 |
| Koreie | Particle To Adjust The Tone, House, | Japanese | Boy | 9 |
| Korekiyo | Correct, Clean, | Japanese | Boy | 1 |
| Koremaru | This, Dictates, Circle, | Japanese | Boy | 3 |
| Koremitsu | Think Deeply, Light, | Japanese | Boy | 5 |
| Koretomo | Support, Friend, | Japanese | Boy | 4 |
| Koreyuki | Correct, This, Dictates, | Japanese | Boy | 7 |
| Korin | Live Longer, Be Gifted, | Japanese | Boy | 4 |
| Koroma | Small, Network, Horse, | Japanese | Boy | 1 |
| Koron | Hiragana And Katakana Are Meaningless, | Japanese | Boy | 1 |
| Koruki | Incense, Human, | Japanese | Boy | 4 |
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| Koryuu | Tiger, A Character Used In The Kind Of Jewelry Lapis Lazuli, | Japanese | Boy | 3 |
| Kosaburou | Small, Three, Cheerfulness, | Japanese | Boy | 6 |
| Kosai | Tiger, Start, | Japanese | Boy | 1 |
| Kosame | A Character Used In A Kind Of Gem Amber, Rain, | Japanese | Boy | 1 |
| Kosato | Daughter, Benevolence, | Japanese | Boy | 9 |
| Kosen | Cow, Head, | Japanese | Boy | 1 |
| Koshi | Tiger, History, | Japanese | Boy | 8 |
| Koshiro | A Word That Comes After A Womans Name, Child, Manly, | Japanese | Boy | 5 |
| Koshirou | Small, Four, Man, Mens, | Japanese | Boy | 8 |
| Kosuke | A Character Used In A Kind Of Gem Amber, Assistant, | Japanese | Boy | 1 |
| Kosumi | Small, Serene, | Japanese | Boy | 7 |
| Kosumo | World, Infinite Space, Time, | Japanese | Boy | 4 |
| Kosyun | Tiger, Belle De Jour, | Japanese | Boy | 6 |
| Kota | Small, Uselessly, | Japanese | Boy | 2 |
| Kotaka | Tiger, Filial Piety, | Japanese | Boy | 5 |
| Kotake | Small, Tiger, | Japanese | Boy | 9 |
| Kotarou | Heart, Big, Man, Mens, | Japanese | Boy | 2 |
| Kotatsu | Small, Dragon, | Japanese | Boy | 8 |
| Koten | A Character Used In A Kind Of Gem Amber, Heaven, | Japanese | Boy | 2 |
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| Kotetsu | Antiquity, Spelling, | Japanese | Boy | 3 |
| Koto | Trust, | Japanese | Boy | 7 |
| Kotoba | Lyrics, | Japanese | Boy | 1 |
| Kotobuki | Long Life, | Japanese | Boy | 5 |
| Kotoha | Think, Leaf, | Japanese | Boy | 7 |
| Kotoharu | Japanese Harp, Spring, | Japanese | Boy | 1 |
| Kotohiro | Japanese Harp, Wide, | Japanese | Boy | 3 |
| Kotohito | Think, Human, | Japanese | Boy | 5 |
| Kotohogi | Saying, Congratulation, | Japanese | Boy | 1 |
| Kotoi | Think, Smiling, | Japanese | Boy | 7 |
| Kotoji | Japanese Harp, Samurai, | Japanese | Boy | 8 |
| Kotoki | Japanese Harp, Hope, | Japanese | Boy | 9 |
| Kotona | Think, Beautiful, | Japanese | Boy | 4 |
| Kotone | Japanese Harp, Mausoleum Of Father, | Japanese | Boy | 8 |
| Kotonojin | Japanese Harp, This, Dictates, Benevolence, | Japanese | Boy | 6 |
| Kotonojou | Japanese Harp, This, Dictates, To Assist, | Japanese | Boy | 1 |
| Kotonori | Achievement, Rely, | Japanese | Boy | 9 |
| Kotonoshin | Japanese Harp, This, Dictates, Heart, | Japanese | Boy | 5 |
| Kotoomi | Long Life, Servant, | Japanese | Boy | 8 |
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| Kotose | Japanese Harp, Star, | Japanese | Boy | 4 |
| Kotosuke | Japanese Harp, Assistant, | Japanese | Boy | 9 |
| Kototarou | Lyrics, Thick, Man, Mens, | Japanese | Boy | 1 |
| Kotowa | Japanese Harp, Ancient Japan, | Japanese | Boy | 4 |
| Kotoya | Japanese Harp, Call, | Japanese | Boy | 6 |
| Kotta | Bone, Thick, | Japanese | Boy | 4 |
| Kou | Healthy, | Japanese | Boy | 2 |
| Koua | Fortune, Sky, | Japanese | Boy | 3 |
| Kouba | Fortune, A Character Used For Basho A Perennial Plant Of The Musaceae, | Japanese | Boy | 5 |
| Koube | God, Door, | Japanese | Boy | 9 |
| Koubee | Light, Soldier, Protect, | Japanese | Boy | 5 |
| Koubou | Plowing, Hope, | Japanese | Boy | 4 |
| Koubun | Firmament, Sentence, | Japanese | Boy | 3 |
| Kouchi | Wide, Smart, | Japanese | Boy | 4 |
| Kouda | Fun, Big, | Japanese | Boy | 7 |
| Koudai | Extend, Big, | Japanese | Boy | 7 |
| Koudayuu | Light, Thick, Husband, | Japanese | Boy | 2 |
| Koudou | Public, Road, | Japanese | Boy | 6 |
| Kouei | Light, Flourish, | Japanese | Boy | 7 |
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| Kouetsu | Light, Delight, Joy, Pleasure, | Japanese | Boy | 4 |
| Kouga | Steel, Fang, | Japanese | Boy | 1 |
| Kougaku | Light, Learn, | Japanese | Boy | 6 |
| Kougen | Light, Origin, | Japanese | Boy | 1 |
| Kougetsu | Skillful, Moon, | Japanese | Boy | 2 |
| Kougo | Public, Five, | Japanese | Boy | 6 |
| Kougorou | Public, Horse, Man, Mens, | Japanese | Boy | 6 |
| Kougyoku | Deep Red, Ball, | Japanese | Boy | 9 |
| Kouha | Light, Clear, | Japanese | Boy | 2 |
| Kouhachi | Fortune, Eight, | Japanese | Boy | 4 |
| Kouhei | Light, Soldier, | Japanese | Boy | 6 |
| Koui | Light, Support, | Japanese | Boy | 2 |
| Kouichi | Extend, One, | Japanese | Boy | 4 |
| Kouichirou | Light, One, Man, Mens, | Japanese | Boy | 4 |
| Kouin | Light, Offspring, | Japanese | Boy | 7 |
| Kouitsu | Wide, Very, Excellent, | Japanese | Boy | 8 |
| Kouji | Exchange, Two, | Japanese | Boy | 3 |
| Koujin | Fortune, Heart, | Japanese | Boy | 8 |
| Koujirou | Light, Samurai, Man, Mens, | Japanese | Boy | 3 |