The most popular dog names in Japan were constantly changing based on current trends and preferences. However, some common and classic dog names that have popular in Japan include:
- Hana (花) - Flower
- Kuma (熊) - Bear
- Sakura (桜) - Cherry Blossom
- Mochi (餅) - A type of Japanese rice cake
- Taro (太郎) - Male given name
- Yuki (雪) - Snow
- Momo (もも) - Peach
- Sora (空) - Sky
- Kira (キラ) - Sparkle
- Chiko (チコ) - Small child
- Hachi (ハチ) - Eight
- Maru (丸) - Round
- Chibi (ちび) - Tiny
- Miki (美樹) - Beautiful tree
- Haru (春) - Spring
- Riku (陸) - Land
- Momo (モモ) - Peach
- Miko (巫女) - Shrine maiden
- Ren (蓮) - Lotus
- Koji (浩二) - Second son
- Aiko (愛子) - Beloved child
- Hikari (光) - Light
- Leo (レオ) - Lion
- Yume (夢) - Dream
- Kuro (黒) - Black
- Choco (チョコ) - Chocolate
- Nana (七) - Seven
- Tama (玉) - Jewel
- Kenji (健二) - Healthy second (son)
- Misaki (美咲) - Beautiful blossom
- Ryu (竜) - Dragon
- Suki (好き) - Like
- Yua (結愛) - Binding love
- Kiko (希子) - Hope child
- Suki (スキ) - Favorite
- Hina (陽菜) - Sunflower
- Kenta (健太) - Healthy, strong
- Yui (結衣) - Binding clothing
- Kiku (菊) - Chrysanthemum
- Tetsu (鉄) - Iron
- Mei (芽衣) - Sprout clothing
- Haruki (春樹) - Spring tree
- Roku (六) - Six
- Yuki (由紀) - Snow or happiness chronicle
- Riko (莉子) - Jasmine child
- Yuji (裕二) - Abundant second (son)
- Kana (奏) - Music
- Subaru (昴) - Pleiades (star cluster)
- Yuna (由奈) - Gentle
- Daiki (大輝) - Big radiance
- Hoshi (星) - Star
- Kanae (奏恵) - Music blessing
- Hiro (ヒロ) - Generous
- Natsu (夏) - Summer
- Yuuki (勇気) - Courage
- Hiroshi (寛) - Broad-minded
- Megumi (恵) - Blessing
- Yumi (弓) - Bow (as in bow and arrow)
- Akira (明) - Bright
- Nori (法) - Rule, law
- Aoi (葵) - Hollyhock
- Satoshi (聡) - Wise
- Asuka (明日香) - Fragrance of tomorrow
- Ryo (涼) - Refreshing
- Natsumi (夏美) - Summer beauty
- Jun (純) - Pure
- Hanae (花絵) - Flower picture
- Tsuki (月) - Moon
- Kaoru (薫) - Fragrance
- Hisa (久) - Long-lasting
- Fumi (文) - Literature
- Yuzuki (柚希) - Citrus moon
- Koichi (浩一) - Wide, one (son)
- Rina (莉奈) - Jasmine vegetables
- Takeo (武雄) - Warrior
- Emi (恵美) - Blessing beauty
- Mizuki (瑞希) - Beautiful future
- Tsubasa (翼) - Wing
- Keiko (恵子) - Blessed child
- Renji (蓮二) - Lotus second (son)
- Mei (芽依) - Sprout reliance
- Kazuki (和希) - Harmony hope
- Ran (蘭) - Orchid
- Masa (政) - Justice
- Eri (絵里) - Picture logic
- Tora (虎) - Tiger
- Nao (直) - Honest
- Minami (南) - South
- Hiroko (寛子) - Generous child
- Taro (タロウ) - Male given name
- Hanako (花子) - Flower child
- Yuuta (勇太) - Courageous, big
- Aimi (愛美) - Love beauty
- Kazuko (和子) - Peaceful child
- Ichiro (一郎) - First (son)
- Midori (緑) - Green
- Naomi (直美) - Straightforward beauty
- Kouki (康希) - Peaceful hope
- Hikaru (輝) - Radiance
- Satsuki (皐月) - Fifth month
Please note that some of these names have specific meanings or cultural significance in Japan, which might influence their popularity.