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Seiichiro 誠一郎 – Japanese boy given name

Seiichiro (誠一郎) is read せいいちろう and has 6 syllables. It is mostly used for boys. Written as 誠一郎, the characters mean: sincerity + one + son. This reading can be written with at least 103 different kanji combinations (the 6 most common are shown below), with 15 to 23 strokes in total.

About the name Seiichiro

Seiichiro (誠一郎 or 清一郎) means sincere first son or pure first son.

How to write Seiichiro in Japanese

Kanji	Reading	Literal meaning	Strokes
誠一郎	せいいちろう	sincerity + one + son	23
清一郎	せいいちろう	pure + one + son	21
征一郎	せいいちろう	subjugate + one + son	18
政一郎	せいいちろう	politics + one + son	19
生一郎	せいいちろう	life + one + son	15
制一郎	せいいちろう	system + one + son	18

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

The kanji in Seiichiro

誠

sincerity, admonish, warn, prohibit

13 strokes, taught in elementary school, grade 6

On: セイ Kun: まこと

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

清

pure, purify, cleanse, exorcise

11 strokes, taught in elementary school, grade 4

On: セイ、ショウ、シン Kun: きよ

征

subjugate, attack the rebellious, collect taxes

8 strokes, taught in secondary school

On: セイ

Seiichiro in different scripts

Romaji	Seiichiro
Hiragana	せいいちろう
Katakana	セイイチロウ
Kanji (most common)	誠一郎

Full name examples

Seiichiro Yuki (Japanese order: 結城誠一郎, ゆうきせいいちろう)
Seiichiro Kono (Japanese order: 河野誠一郎, こうのせいいちろう)
Seiichiro Maki (Japanese order: 牧誠一郎, まきせいいちろう)

How to pronounce Seiichiro

Break it into 3 parts: seii · 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 せいいちろう.

Questions about Seiichiro

What does Seiichiro mean in Japanese?

Seiichiro has no single fixed meaning: it depends on the kanji. The most common spelling, 誠一郎, combines these meanings: sincerity + one + son. Other spellings include 清一郎 (pure + one + son), 征一郎 (subjugate + one + son), 政一郎 (politics + one + son).

How do you write Seiichiro in kanji?

The most common way is 誠一郎 (せいいちろう). It can also be written 清一郎, 征一郎, 政一郎, 生一郎, 制一郎.

How do you write Seiichiro in katakana?

Seiichiro is セイイチロウ in katakana and せいいちろう in hiragana.

Is Seiichiro a boy or girl name?

Seiichiro is mostly used for boys.

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Other names that use 誠

誠: sincerity, admonish, warn

Makoto 誠

Names with a similar sound

Sei 勢井 Seigo 生五 Seigoro 政五郎 Seiho 政保 Seiichi 政一 Seiji 政二 Seijiro 清次郎 Seika 星花 Seiki 世紀 Seiko 聖子