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 |
|---|---|---|---|---|
| Kaiga | Assistance, Fang, | Japanese | Boy | 2 |
| Kaigen | Ocean, String, | Japanese | Boy | 2 |
| Kaigo | Ocean, Myself, | Japanese | Boy | 7 |
| Kaigorou | Assistance, Horse, Man, Mens, | Japanese | Boy | 7 |
| Kaiha | Change, Supremacy, | Japanese | Boy | 3 |
| Kaihei | Meeting, Soldier, | Japanese | Boy | 7 |
| Kaihi | Ocean, Sun, | Japanese | Boy | 2 |
| Kaiho | Free, Sail, | Japanese | Boy | 8 |
| Kaihou | Change, Treasure, | Japanese | Boy | 2 |
| Kaii | Change, Authority, | Japanese | Boy | 3 |
| Kaiichi | Ocean, One, | Japanese | Boy | 5 |
| Kaiichirou | Change, One, Wolf, | Japanese | Boy | 5 |
| Kaiji | Victory Song, Preside Over, | Japanese | Boy | 4 |
| Kaijin | Change, Benevolence, | Japanese | Boy | 9 |
| Kaijirou | Assistance, Two, Cheerfulness, | Japanese | Boy | 4 |
| Kaiju | Change, Tree, | Japanese | Boy | 7 |
| Kaijun | Ocean, Pure, | Japanese | Boy | 3 |
| Kaika | Open, Flower, | Japanese | Boy | 6 |
| Kaiki | Beautiful, Lovely , Chic, | Japanese | Boy | 5 |
| Kaikichi | Meeting, Luck, | Japanese | Boy | 7 |
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| Kaiku | Ocean, Sky, | Japanese | Boy | 8 |
| Kaikuu | Free, Sky, | Japanese | Boy | 2 |
| Kaima | Meeting, Friction, | Japanese | Boy | 8 |
| Kaimaru | Change, Circle, | Japanese | Boy | 2 |
| Kaimei | Change, Bright, | Japanese | Boy | 3 |
| Kaimi | Free, Ocean, | Japanese | Boy | 7 |
| Kaimichi | Change, Road, | Japanese | Boy | 9 |
| Kaimu | Victory Song, Dream, | Japanese | Boy | 1 |
| Kain | Ocean, Straightforwardness, | Japanese | Boy | 8 |
| Kaina | Change, Beautiful, | Japanese | Boy | 9 |
| Kainari | Change, Call, | Japanese | Boy | 9 |
| Kainaru | Ocean, Formation, | Japanese | Boy | 3 |
| Kaine | Ocean, Sound, | Japanese | Boy | 4 |
| Kainen | Change, Sense, | Japanese | Boy | 9 |
| Kaino | Ocean, Field, | Japanese | Boy | 5 |
| Kainojin | Change, This, Dictates, Benevolence, | Japanese | Boy | 2 |
| Kainojou | Change, This, Dictates, To Assist, | Japanese | Boy | 6 |
| Kainoshin | Assistance, This, Dictates, Move On, | Japanese | Boy | 1 |
| Kainosuke | Assistance, This, Dictates, Assistance, | Japanese | Boy | 7 |
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| Kaion | Ocean, Sound, | Japanese | Boy | 5 |
| Kaiou | Ocean, Firebird, | Japanese | Boy | 3 |
| Kaiousei | Ocean, King, Star, | Japanese | Boy | 9 |
| Kaira | Wide, Good, | Japanese | Boy | 4 |
| Kairaku | Change, Easy, | Japanese | Boy | 9 |
| Kairen | Boss, Grain, | Japanese | Boy | 4 |
| Kairi | Nautical Mile, | Japanese | Boy | 3 |
| Kairiki | Change, Power, | Japanese | Boy | 5 |
| Kairin | Change, Correct Relationship, | Japanese | Boy | 8 |
| Kairo | Change, A Road, | Japanese | Boy | 9 |
| Kairon | Ocean, Logical, | Japanese | Boy | 5 |
| Kairu | Ocean, Flow, | Japanese | Boy | 6 |
| Kairyuu | Free, A Character Used In The Kind Of Jewelry Lapis Lazuli, | Japanese | Boy | 7 |
| Kaisa | Free, Help Someone, | Japanese | Boy | 5 |
| Kaisaburou | Free, Three, Man, Mens, | Japanese | Boy | 1 |
| Kaisaku | Assistance, Create, | Japanese | Boy | 1 |
| Kaise | Commandment, World, | Japanese | Boy | 9 |
| Kaisei | Victory Song, Clearly Visible, | Japanese | Boy | 9 |
| Kaiseki | Assistance, Stone, | Japanese | Boy | 2 |
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| Kaishin | Ocean, Heart, | Japanese | Boy | 8 |
| Kaishirou | Assistance, History, Cheerfulness, | Japanese | Boy | 3 |
| Kaisou | Free, Gale, Hurricane, Blast, Storm, Squall, Gust, | Japanese | Boy | 4 |
| Kaisu | Change, Necessary, | Japanese | Boy | 7 |
| Kaisuke | Ocean, Help Someone, | Japanese | Boy | 5 |
| Kaisyou | Free, Lead, | Japanese | Boy | 2 |
| Kaisyun | Free, Outstanding Person, | Japanese | Boy | 1 |
| Kaisyuu | Free, Charge, | Japanese | Boy | 8 |
| Kaita | Assistance, Multi, | Japanese | Boy | 6 |
| Kaitaku | Open, Opening The Land Of Uncivilized, | Japanese | Boy | 2 |
| Kaitarou | Assistance, Multi, Cheerfulness, | Japanese | Boy | 6 |
| Kaiten | Spin, Heaven, | Japanese | Boy | 6 |
| Kaito | Play The Music, Ocean, | Japanese | Boy | 2 |
| Kaitou | Sea, Ocean Soar, Fly | Japanese | Boy | 5 |
| Kaiun | Assistance, Rhyme, | Japanese | Boy | 2 |
| Kaiya | Victory Song, Call, | Japanese | Boy | 2 |
| Kaiyou | Ocean, Ocean, | Japanese | Boy | 1 |
| Kaiyuu | Change, Superiority, | Japanese | Boy | 7 |
| Kaiza | Fine, Come, | Japanese | Boy | 3 |
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| Kaizou | Assistance, Three, | Japanese | Boy | 2 |
| Kajimichi | Deciduous Tree Of The Mulberry Family, , Road, | Japanese | Boy | 1 |
| Kajin | Song, Benevolence, | Japanese | Boy | 9 |
| Kajinosuke | Deciduous Tree Of The Mulberry Family, , This, Dictates, Assistant, | Japanese | Boy | 8 |
| Kajio | Rudder, Husband, | Japanese | Boy | 1 |
| Kajirou | Eggplant, Two, Man, Mens, | Japanese | Boy | 4 |
| Kakao | Addition, Rack, Love, | Japanese | Boy | 3 |
| Kakashi | Draft, Mountain, A Word That Comes After A Womans Name, Child, | Japanese | Boy | 6 |
| Kakeaki | Driving, Bright, | Japanese | Boy | 4 |
| Kakeharu | Driving, Spring, | Japanese | Boy | 4 |
| Kakehi | Over Jumps, Sun, | Japanese | Boy | 9 |
| Kakei | Summer, Auspicious, | Japanese | Boy | 1 |
| Kakemi | Over Jumps, Ocean, | Japanese | Boy | 5 |
| Kakemichi | Over Jumps, Healthy, | Japanese | Boy | 7 |
| Kakeru | Suspension, | Japanese | Boy | 4 |
| Kaki | Flower, Demon, | Japanese | Boy | 5 |
| Kakichi | Beautiful, Lovely , Luck, | Japanese | Boy | 7 |
| Kakihide | Persimmon, Superiority, High Quality , | Japanese | Boy | 4 |
| Kakihisa | Persimmon, A Long Time, | Japanese | Boy | 6 |