Skip to main content
Evidence-led referenceJapanese names, readings and kanji
littleden.blogJapanese name reference
Kanji
Kanji reference

一 in Japanese names

one, one radical (no.1)

Strokes1
ClassificationJōyō · KANJIDIC grade 1
KANJIDIC grade1
Name readings (nanori)11
KANJIDIC frequency rank: 2This is a general character-frequency field from KANJIDIC2, not a ranking of popularity in personal names.
On readings
イチイツ
Kun readings
ひと-ひと.つ
Name readings (nanori)
かずいっいるかつかづてんはじめひとつまこと
Character glosses

English glosses recorded for 一

oneone radical (no.1)

These glosses describe the character. They do not by themselves establish the intended meaning of every full personal name containing it.

Name discovery

Other names using 一

These groups come directly from source-recorded JMnedict forms containing this character. Ordering reflects coverage inside the imported corpus, not real-world popularity.

Given names using 一

18 reading groups shown
Given-name reading
亘一朗

Kōichirō

こういちろう

79 recorded spellings using 一 · Explore →
Given-name reading
こう一

Kōichi

こういち

76 recorded spellings using 一 · Explore →
Given-name reading
勝一郎

Shōichirō

しょういちろう

53 recorded spellings using 一 · Explore →
Given-name reading
像一

Shōichi

しょういち

44 recorded spellings using 一 · Explore →
Given-name reading
創一朗

Sōichirō

そういちろう

43 recorded spellings using 一 · Explore →
Given-name reading
与四一

Yoshikazu

よしかず

41 recorded spellings using 一 · Explore →
Given-name reading
制一朗

Seīchirō

せいいちろう

39 recorded spellings using 一 · Explore →
Given-name reading
伸一朗

Shin'ichirō

しんいちろう

38 recorded spellings using 一 · Explore →
Given-name reading
亀一郎

Kīchirō

きいちろう

34 recorded spellings using 一 · Explore →
Given-name reading
シン一

Shin'ichi

しんいち

34 recorded spellings using 一 · Explore →
Given-name reading
亀一

Kīchi

きいち

33 recorded spellings using 一 · Explore →
Given-name reading
享一朗

Kyōichirō

きょういちろう

32 recorded spellings using 一 · Explore →
Given-name reading
乾一郎

Ken'ichirō

けんいちろう

31 recorded spellings using 一 · Explore →
Given-name reading
京一郎

Keīchirō

けいいちろう

31 recorded spellings using 一 · Explore →
Given-name reading
一三

Kazumi

かずみ

28 recorded spellings using 一 · Explore →
Given-name reading
一伊

Kazuyoshi

かずよし

28 recorded spellings using 一 · Explore →
Given-name reading
侃一郎

Kan'ichirō

かんいちろう

28 recorded spellings using 一 · Explore →
Given-name reading
けん一

Ken'ichi

けんいち

27 recorded spellings using 一 · Explore →
Continue research

Continue from 一

Choose another evidence-backed route even when this character has only sparse name-use coverage in the current corpus.

Evidence on this page

Character data and name data stay separate

KANJIDIC2 supplies the readings, nanori, stroke count, frequency field, grade classification and English character glosses. JMnedict supplies the example personal-name records. The Ministry of Justice remains the official reference for current child-name character rules.

JMnedictChecked 17 Sep 2026Active data built 16 Sep 2026Stored status: downloaded
KANJIDIC2Checked 17 Sep 2026Active data built 17 Sep 2026
Japan Ministry of Justice — characters usable in children’s namesChecked 17 Sep 2026
Japan Agency for Cultural Affairs — Romanization Rules (2025)Checked 17 Sep 2026
Source boundary

KANJIDIC2 supplies the character metadata. The jōyō/jinmeiyō grade interpretation is a reference layer; the Ministry of Justice remains the controlling official source for child-name character rules. Example names are imported from JMnedict.

Review sources →