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On
On- Gender:Male
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:おん - :オン
- :on (1)
- :o-n (2)
- :On, Onn
- :
Onchan(オンちゃん)
Ontan(おんたん)Onkun(おんくん)
This name is considered unisex, but it's more commonly used for girls. 
See the girls' version here.
This name is also used as a surname: 
On
Kanji Names & Meanings - 3 variations
In Japanese culture, kanji are characters that originated from Chinese script, and the meaning of a name changes depending on the kanji characters chosen. The more variations of kanji a name has, the more common it is in Japan. Conversely, a name with very few kanji variations is considered unique and rare. Below are the kanji variations for "On," ranked by the total number of "Good!" votes.
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恩- On -
恩 means "grace, blessing, gratitude."
Gratitude - Thankfulness for kindness received.
Mercy - Compassion and forgiveness shown towards someone, especially when punishment is deserved.
Name ideas examples
Grace - Grace represents elegance in movement and character, the refinement of a cultivated spirit. May your child move through life with grace, elegant in action and refined in spirit.
Blessing - Blessing represents conferring good, speaking life, and sharing abundance. May your child be a blessing to many, speaking life wherever they go.
Gratitude - Gratitude (感謝) is deeply valued in Japan, appreciating even small kindnesses and nature's gifts. May your child live with deep gratitude, appreciating every blessing life offers.
Mercy - Conflict teaches the value of peace and the courage to stand firm. May your child fight for what is right and seek peace when possible.
温- On -
温 means "warm, gentle, review."
Review - To Revisit; to study again (as in learning from the past).
Wrap, Envelop - The action of wrapping or enveloping something.
Name ideas examples
Warm - Warmth represents kindness, comfort, and the welcoming nature of a loving heart. May your child radiate warmth, making all who meet them feel welcomed and loved.
Gentle - Gentleness represents soft strength, kindness, and the power of tender approach. May your child be gentle, combining soft kindness with inner strength.
Review - Teachers and scholars illuminate the path of knowledge for others. May your child both learn eagerly and share knowledge generously.
Calm, Peaceful - Calmness represents inner peace, self-control, and the stillness from which wisdom arises. May your child remain calm in all circumstances, finding peace in the storm.
Wrap, Envelop - Objects serve purposes and remind us of what matters. May your child value things for their true worth and purpose.
雄- On -
雄 means "male, superior, strong."
Prosperous - Having Vigor; energetic.
Name ideas examples
Male - The masculine represents strength, protection, and active energy. May your child embody vigorous strength of character.
Superior - Superior represents a role of purpose and contribution to society. May your child embody the superior's dedication and skill in their life's work.
Strong - Strength includes physical power, mental fortitude, and moral courage. May your child be strong in body, mind, and spirit, facing all with courage.
Prosperous - Prosperity represents flourishing, abundance, and the success that comes from effort. May your child prosper in all good endeavors, flourishing in every season.
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温太朗 温 means "warm, gentle, review." 太 means "thick, great, very." 朗 means "cheerful, clear, resonant." 1 more vars -
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What is Hiragana?
Hiragana is one of the two Japanese syllabaries. Each character represents a sound (mora), not a meaning. It is used for native words, grammatical particles, verb/adjective endings (okurigana), and to show pronunciation above kanji (furigana). It developed from cursive forms of kanji.
What is Katakana?
Katakana is one of the two Japanese syllabaries. Each character represents a sound (mora), not a meaning. It is mainly used to write foreign words and names, loanwords, onomatopoeia, and for emphasis.
What are English Syllables?
A syllable is a unit of pronunciation in English — it’s the beat you hear when you say a word.
Here are a few quick examples:
cat = 1 syllable
ba-by = 2 syllables
beau-ti-ful = 3 syllablesOn this site, English Syllables show how a name naturally breaks into sounds when spoken in English. This helps you understand how English speakers naturally say the name and where they pause between sounds.
What are Japanese Morae?
A mora (plural: morae, Japanese: 拍 Haku) is the basic unit of sound in Japanese — think of it as one rhythmic “beat” when speaking.
Here are a few quick examples:
あ (a) = 1 mora
あい (a-i) = 2 morae
きょう (kyo-u) = 2 moraeOn this site, Japanese Morae show how many “beats” a name has in Japanese. Most Japanese names have about 2–4 morae, which affects how natural and rhythmic the name sounds to native speakers.
This helps you see how the name fits into the natural rhythm of Japanese speech.
What is English Transcription?
“English transcription” (romanization) is the romanized form of a Japanese name, intended to reproduce its pronunciation as closely as possible. It is also useful for searching names on this site.
Japanese-Style Nicknames
In Japan, nicknames are used to express familiarity and affection. Typical features include:
Shortened forms: Names are often shortened for closeness, e.g., “Yuki” from “Yukiko” or “Taka” from “Takashi”.
Suffixes: Terms like “-chan” (often for girls, also for young children) and “-kun” (often for boys) are used among family and close friends. Among very close adults, “-chan” may still be used. More details
Use & context: Nicknames are informal—common among friends, family, or close colleagues—and are not suitable for formal or professional settings. Their use implies a certain degree of intimacy.
Long vowels: The long vowel mark “chōonpu” (ー) extends the preceding vowel. For example, “あーちゃん” (A-chan) lengthens the “あ” sound.
Households
Sorts surnames by the estimated number of Japanese households that use them. More households generally indicates a more common or well-known surname.
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