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Home › Baby Names Directory › Kaii

Kaii

♂ Boy

Pronounced KY /ˈkaɪ/Medium

Meaning: A spelling of Kai — variously 'the sea/ocean' (Hawaiian/Japanese), 'forgiveness' (Japanese), and a short form of names like Kaimana; routes layeredLow

In 30 seconds: The sea; the ocean: Kaii spells Kai. Crisp, modern, and warm (said 'KY').
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Origin LowHawaiian, Japanese
MeaningA spelling of Kai — variously 'the sea/ocean' (Hawaiian/Japanese), 'forgiveness' (Japanese), and a short form of names like Kaimana; routes layered
U.S. rank (2025)#8577 ↗ Rising
2025 U.S. births9 boys (0.00% of U.S. boys)
Peak year2023
Total births (all-time)≈ 113

Popularity in the U.S. · SSA data

peak 202320012025

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

Kaii is a spelling of Kai — variously 'the sea/ocean' (Hawaiian/Japanese), 'forgiveness' (Japanese), and a short form of names like Kaimana (routes layered, which we note). A crisp, modern name (said 'KY').

In the U.S. it appears as a spelling of Kai. Rare in this form, the-sea at the root, and crisp.

Did you know? Kai is variously 'the sea/ocean' (Hawaiian/Japanese) and 'forgiveness' (Japanese) — Kaii is a spelling, crisp and modern (the routes are layered, which we note; said 'KY').
Overall data confidence 30%
References — Kai — routes layered

Variations

KaiKaieKye

Nicknames

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If you like Kaii…

Kai— the standard spelling
Kye— a sound-neighbor one-syllable boys' name
Kaito— a fellow Kai- boys' name
Kealii— shares the -ii ending
Ken— a fellow Japanese choice

Explore names like Kaii

By themeuncertainjapanesehawaiian
By meaningSea / Water

All themes →All meanings →All origins →

Frequently Asked

What does the name Kaii mean?

Kaii spells Kai — variously 'the sea/ocean' (Hawaiian/Japanese) and 'forgiveness' (Japanese); the routes are layered.

How do you pronounce Kaii?

It's said KY /ˈkaɪ/ — one syllable.

Is Kaii a boy or girl name?

Kaii is a boy's name here (Kai is also used for girls).

How popular is Kaii?

Kaii is a very rare spelling in the U.S.

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