正

Tadashi

boyJapanese

Tadashi is a boy name of Japanese origin, meaning “Correct, righteous; loyal”.

MeaningCorrect, righteous; loyal
GenderBoy
OriginJapanese
Written as正
Pronunciationtah-DAH-shee
TraditionModern & Classic
Used inJapan

Meaning and origin of Tadashi

Tadashi is a Japanese name often written with the single kanji 正, meaning 'correct, right, just', and sometimes with 忠, meaning 'loyal, faithful'. Either way it expresses an ideal of upright character. Tadashi Yanai, founder of the clothing company Uniqlo, is a well-known bearer, and animation fans know Tadashi Hamada from Big Hero 6.

Is Tadashi a religious name?

Tadashi is a Japanese cultural name reflecting moral ideals rather than any specific religion.

How popular is Tadashi?

Common among older Japanese generations and still recognised today.

Gifts with the name Tadashi

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Names similar to Tadashi

TakashiMasashiHiroshiOsamuSatoshi

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Frequently asked questions

What does the name Tadashi mean?

Tadashi means 'Correct, righteous; loyal'. It is of Japanese origin.

Does Tadashi have a religious meaning?

Tadashi is a Japanese cultural name reflecting moral ideals rather than any specific religion.

How do you pronounce Tadashi?

Tadashi is pronounced tah-DAH-shee.

Is Tadashi a boy or girl name?

Tadashi is usually a boy name.

Updated October 2026. Spotted a mistake? Tell us.