Siwoo

♂ Boy

Pronounced SEE-woo /ˈsiː.wuː/Medium

Meaning: A very popular Korean given name (romanized Siwoo), whose meaning depends on the hanja (Chinese characters) chosen for it - often tied to senses like 'begin' or 'this' with 'help' or 'universe.' We note the hanja-dependence honestly.Low

In 30 seconds: A popular Korean name: Siwoo's meaning depends on its hanja (said 'SEE-woo'). Soft and modern.

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Origin LowKorean

MeaningA very popular Korean given name (romanized Siwoo), whose meaning depends on the hanja (Chinese characters) chosen for it - often tied to senses like 'begin' or 'this' with 'help' or 'universe.' We note the hanja-dependence honestly.

U.S. rank (2023)#13883 ↗ Rising

2023 U.S. births5 boys (0.00% of U.S. boys)

Peak year2015

Total births (all-time)≈ 21

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

Siwoo is a popular Korean name; because its meaning depends on the hanja, no single fixed sense is given, which we note. Soft and modern - rare in the U.S. (said 'SEE-woo').

It is extremely rare in the U.S.

Did you know? Siwoo is a much-loved Korean given name whose sense shifts with the hanja chosen for it, so we note that honestly rather than fix one meaning (said 'SEE-woo').

Overall data confidence 36%

References - Siwoo — Korean given name; meaning hanja-dependent

Variations

SiuShiwooSiwu

Nicknames

SiWoo

Famous Bearers

Famous bearers coming soon.

If you like Siwoo…

Jiho— a like Korean boy's name

Haru— a like East Asian boy's name

Jiwoo— a similarly popular pick

Jinwoo— shares the -oo ending

Suho— another Korean name

Explore names like Siwoo

By thememodern soft korean

By meaningGift / Blessing Truth

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Frequently Asked

What does the name Siwoo mean?

Siwoo is a popular Korean given name whose meaning depends on the hanja chosen for it.

How do you pronounce Siwoo?

It's said SEE-woo /ˈsiː.wuː/ - two syllables, stress on the first.

Is Siwoo a boy or girl name?

Siwoo is used as a boy's name.

How popular is Siwoo?

Siwoo is extremely rare in the U.S.