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Kazuki

♂ Boy

Pronounced kah-ZOO-kee /kɑˈzu.ki/Medium

Meaning: A Japanese given name written with a range of kanji, so its meaning depends on the characters a family chooses: the kazu element commonly means 'harmony; peace' or 'one', and the ki element can mean 'hope', 'tree', 'radiance' or 'chronicle'. Because the writing decides the sense, the meaning is genuinely uncertain without it, which we note.Low

In 30 seconds: A Japanese name whose meaning lives in its characters: Kazuki can mean 'harmony' with 'hope' or 'radiance' (said 'kah-ZOO-kee'). Meaning depends on the writing, which we note.

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Origin MediumJapanese

MeaningA Japanese given name written with a range of kanji, so its meaning depends on the characters a family chooses: the kazu element commonly means 'harmony; peace' or 'one', and the ki element can mean 'hope', 'tree', 'radiance' or 'chronicle'. Because the writing decides the sense, the meaning is genuinely uncertain without it, which we note.

U.S. rank (2024)#13240 ↘ Falling

2024 U.S. births5 boys (0.00% of U.S. boys)

Peak year1998

Total births (all-time)≈ 381

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Kazuki is a common Japanese boys' name whose meaning is decided by its kanji. The kazu element is often 'harmony; peace' or 'one'; the ki element may be 'hope', 'tree', 'radiance' or 'chronicle'. Many combinations exist, so we note honestly that the meaning cannot be fixed without the characters (said 'kah-ZOO-kee').

In the U.S. it appears only rarely for boys. Rare here, common in Japan.

Did you know? In Japanese, a spoken name like Kazuki can be written many different ways, and each set of characters gives it a different meaning — 'harmony and hope', 'one and radiance', and more. Without the writing, the sense is uncertain, which we note.

Overall data confidence 50%

References — Kazuki — Japanese; meaning varies by kanji; noted as uncertain

Variations

KazukoKazuyaKazuhiko

Nicknames

KazZuki

Famous Bearers

Famous bearers coming soon.

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Frequently Asked

What does the name Kazuki mean?

Kazuki's meaning depends on the Japanese characters used — often 'harmony' or 'one' paired with 'hope', 'tree' or 'radiance'. Without the writing the sense is uncertain, which we note.

How do you pronounce Kazuki?

It's said kah-ZOO-kee /kɑˈzu.ki/ — three syllables, stress on the second.

Is Kazuki a boy or girl name?

Kazuki is used as a boy's name.

How popular is Kazuki?

Kazuki is a rare name for boys in the U.S., though it is common in Japan.