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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.
Name Filter
恩- On -
恩 means "gratitude, kindness, favor."
Grace - A kind and generous act, often given without expecting anything in return.
Mercy - Compassion and forgiveness shown towards someone, especially when punishment is deserved.
Compassion - A deep feeling of sympathy and understanding for someone or something, often accompanied by a desire to help.
Name ideas examples
Kindness - It conveys a sense of compassion and understanding. It is a reminder to the child that they should always strive to be kind and generous to others.
Mercy - It conveys a sense of forgiveness and understanding. It is a reminder to the child that they should always strive to be merciful and compassionate to others.
Grace - It conveys a sense of elegance and beauty. It is a reminder to the child that they should always strive to be graceful and elegant in their actions.
Love - It conveys a sense of affection and care. It is a reminder to the child that they should always strive to be loving and caring to others.
Blessing - It conveys a sense of good fortune and luck. It is a reminder to the child that they should always strive to be blessed and fortunate in their lives.
温- On -
温 means "warm, mild, gentle."
Warm, Warmth - Refers to something that is warm in temperature or feeling.
Calm, Peaceful - Refers to something that is peaceful and gentle.
Learn, Review - Refers to the process of learning or reviewing something.
Wrap, Envelop - Refers to the action of wrapping or enveloping something.
Name ideas examples
Warmth - A feeling of comfort and kindness, often associated with family and home.
Calm - A peaceful and tranquil atmosphere, often associated with relaxation and contentment.
Kindness - A gentle and caring attitude, often associated with compassion and understanding.
Learn, Review - Refers to the process of learning and growing that a baby goes through.
雄- On -
雄 means "male, masculine."
Male Animal - A male animal, usually referring to a dominant male in a species.
Male Plant - A male plant, usually referring to a plant with male reproductive organs.
Superior - To be better than others, to be superior in some way.
Outstanding Person - A person who is outstanding in some way, usually referring to someone who is highly skilled or talented.
Strong - To be powerful, brave, and forceful.
Prosperous - To be full of energy and vigor.
Name ideas examples
Superior - To give the baby a name that implies they are better than others, to be superior in some way.
Outstanding Person - To give the baby a name that implies they are outstanding in some way, usually referring to someone who is highly skilled or talented.
Strong - To give the baby a name that implies they are powerful, brave, and forceful.
Prosperous - To give the baby a name that implies they are full of energy and vigor.
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ShareSort by: Most Kanji Variations
Sorts names by how many different kanji spellings they have. In general, names with more variants tend to be more familiar and widespread in Japan (with some exceptions).
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Sorts names by page views on this site. Views reflect global traffic (including Japan), so this does not represent popularity among Japanese people only. A high view count does not necessarily mean the name is famous in Japan.
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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