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Home › Baby Names Directory › Kaido

Kaido

♂ Boy

How to Pronounce Kaido

Pronounced KY-doh /ˈkaɪ.doʊ/Medium

Meaning: From Estonian Kaido (a male name); also Japanese kaido, 'sea route' (and an anime villain); routes layeredLow

In 30 seconds: Bold and worldly: Kaido is an Estonian boys' name — and Japanese 'sea route' (and a One Piece villain). Strong, distinctive, and cool.
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Origin LowEstonian, Japanese
MeaningFrom Estonian Kaido (a male name); also Japanese kaido, 'sea route' (and an anime villain); routes layered
U.S. rank (2025)#3552 ↗ Rising
2025 U.S. births32 boys (0.00% of U.S. boys)
Peak year2024
Total births (all-time)≈ 82
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Popularity in the U.S. · SSA data

peak 202520142025

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

Kaido comes from Estonian — a male name of debated meaning — and overlaps Japanese kaido, 'sea route' (and the anime villain; routes layered, which we note). A strong, worldly name.

In the U.S. it appears in Estonian and anime-loving families. Rare, of-Estonia-or-sea-route at the root, and bold.

Did you know? Kaido is a traditional Estonian male name — and reads as Japanese kaido, 'sea route' (the fearsome One Piece pirate Kaido); bold and distinctive.
Overall data confidence 55%
References — Kaido — routes layered

Variations

KaidouKaidoh

Nicknames

Kai

Famous Bearers

  • Famous bearers coming soon.

If you like Kaido…

Kaito— a fellow Kai- Japanese name
Kai— the Kai- root
Kaiden— a companion Kai- name
Ryo— another short Japanese name

Explore names like Kaido

By meaningSea / Water

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Frequently Asked

What does the name Kaido mean?

Kaido is an Estonian male name, and Japanese 'sea route'; the routes are layered.

How do you pronounce Kaido?

It's said KY-doh /ˈkaɪ.doʊ/ — two syllables, stress on the first.

Is Kaido a boy or girl name?

Kaido is a boy's name.

How popular is Kaido?

Kaido is a rare name in the U.S.

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