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Koichiro 浩一郎 – Japanese boy given name

Koichiro (浩一郎) is read こういちろう and has 6 syllables. It is mostly used for boys. Written as 浩一郎, the characters mean: wide expanse + one + son. This reading can be written with at least 153 different kanji combinations (the 6 most common are shown below), with 16 to 24 strokes in total.

About the name Koichiro

Koichiro (浩一郎 or 光一郎) is a classic first-son name ending in -ichiro, with the first character meaning vast or light.

How to write Koichiro in Japanese

Kanji	Reading	Literal meaning	Strokes
浩一郎	こういちろう	wide expanse + one + son	20
光一郎	こういちろう	ray + one + son	16
康一郎	こういちろう	ease + one + son	21
行一郎	こういちろう	going + one + son	16
高一郎	こういちろう	tall + one + son	20
高市郎	こういちろう	tall + market + son	24

Meanings are literal translations of each kanji. Names are often chosen for sound, so the intended meaning can differ.

The kanji in Koichiro

浩

wide expanse, abundance, vigorous

10 strokes, an approved name kanji

On: コウ Kun: おおき、ひろ

一

one, one radical

1 strokes, taught in elementary school, grade 1

On: イチ、イツ Kun: ひと

郎

son, counter for sons

9 strokes, taught in secondary school

On: ロウ、リョウ Kun: おとこ

光

ray, light

6 strokes, taught in elementary school, grade 2

On: コウ Kun: ひか、ひかり

康

ease, peace

11 strokes, taught in elementary school, grade 4

On: コウ

Koichiro in different scripts

Romaji	Koichiro
Hiragana	こういちろう
Katakana	コウイチロウ
Kanji (most common)	浩一郎

Full name examples

Koichiro Yuki (Japanese order: 結城浩一郎, ゆうきこういちろう)
Koichiro Kono (Japanese order: 河野浩一郎, こうのこういちろう)
Koichiro Maki (Japanese order: 牧浩一郎, まきこういちろう)

How to pronounce Koichiro

Break it into 3 parts: koi · chi · ro. Japanese has no stressed syllables like English, so say each part with the same length and the same weight. The 6 sound units are written こういちろう.

Questions about Koichiro

What does Koichiro mean in Japanese?

Koichiro has no single fixed meaning: it depends on the kanji. The most common spelling, 浩一郎, combines these meanings: wide expanse + one + son. Other spellings include 光一郎 (ray + one + son), 康一郎 (ease + one + son), 行一郎 (going + one + son).

How do you write Koichiro in kanji?

The most common way is 浩一郎 (こういちろう). It can also be written 光一郎, 康一郎, 行一郎, 高一郎, 高市郎.

How do you write Koichiro in katakana?

Koichiro is コウイチロウ in katakana and こういちろう in hiragana.

Is Koichiro a boy or girl name?

Koichiro is mostly used for boys.

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Other names that use 浩

浩: wide expanse, abundance, vigorous

Hiroko 浩子 Hironori 浩徳 Koji 浩二

Names with a similar sound

Koichi 行一