What does Siwoo mean and where does it come from?
Siwoo (시우) is a Korean name that can be expressive of qualities such as understanding and protection, though the precise meaning can vary based on the hanja (Chinese characters) used to represent it. The name has gained popularity in South Korea since the 20th century and often reflects desirable tr
Cultural significance
Siwoo has been a cherished name across cultures, particularly in Korea-speaking communities, where it reflects values of understanding and protecting.
Peak popularity
Reached #10526 in 2025 — currently #10526 in the US.
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Related Reading
Korea-origin baby names with timeless appeal
Browse names →How else can you spell Siwoo?
Same sound, different look — useful if you want something slightly more distinctive
What middle names flow best with Siwoo?
Siwoo works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful
Siwoo Jack
One syllable · timeless choice
Siwoo John
One syllable · timeless choice
Siwoo Miles
One syllable · vintage charm
Siwoo Brooks
One syllable · timeless choice
Siwoo Gael
One syllable · timeless choice
Siwoo Quinn
One syllable · timeless choice
How popular is Siwoo right now?
Rising fast — up 3357 spots — currently #10526 in the US out of 135.5k tracked names
| Year | US Rank | Births | vs Prior Year |
|---|
| 2025 | #10526 | 7 | ▲ up 3357 · +40% births |
| 2023 | #13883 | 5 | ▲ up 153 |
| 2022 | #14036 | 5 | ▼ down 2298 · -17% births |
| 2015 | #11738 | 6 | — |
The story of Siwoo
Siwoo is a relatively modern name, first appearing in US records in 2008. With 11 total births recorded, Siwoo remains relatively uncommon. Once ranked #11738 in 2015, the name has become less common in recent years, sitting at #13883 in 2023.
Names that peaked alongside Siwoo in 2025:
💎Siwoo has only 11 total recorded births since 2008 — rarer than 99% of names in our database.
What are good nicknames for Siwoo?
What names sound and feel like Siwoo?
Based on sound, origin, and style — parents who love Siwoo also consider these
Common questions about the name Siwoo
What does the name Siwoo mean?
Siwoo means "Understanding and protecting" — a name rooted in Korea tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Siwoo?
Siwoo is currently a distinctive and less common name as a boy name in the US and is rapidly gaining popularity — searches for Siwoo have increased significantly in recent years.
What is the cultural origin of Siwoo?
Siwoo originates from Korea tradition. Korea names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Siwoo?
Siwoo is a two-syllable name pronounced SEE-WOO. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Siwoo trending right now?
Siwoo is currently on the rise — it has gained significant momentum in recent years as parents discover its appeal.