Si-woo
/S-IH-W-OW-OW/
Korean 시 (si — poem) + 우 (woo — universe).
See Si-woo scored for your familyQuick — what every parent wants to know about Si-woo:
Yes — Si-woo is a Christian boy name of Korean origin, meaning “Korean 시 (si — poem) + 우 (woo — universe).”. It also appears in Buddhist tradition.
How well does Si-woo fit your family?
This page tells you what Si-woo means. The app tells you whether it's right for your baby — scored against the names already in your family, your heritage, and your baby's exact birth star.
Unlock Si-woo's score — free
Six signals — scored for your family, not in the abstract:
Meaning & origin
Si-woo is a boy's name of Korean origin, traditionally used in Christian families. The name means "Korean 시 (si — poem) + 우 (woo — universe)." and belongs to the Wisdom cluster — names meaning knowledge, insight, and thoughtful presence.
Beyond its Christian heritage, Si-woo is also used in Buddhist traditions, reflecting how this name has traveled across cultures.
Common among Korean families, Si-woo carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
What's Si-woo's birth star?
In Vedic tradition, a baby's name is matched to their nakshatra (birth star) and rashi (moon sign) — usually through its first syllable. Si-woo opens with “Si.” But whether that's auspicious depends on your baby's exact date, time, and place of birth.
NameRoot works it out for you. Enter your baby's birth details and see exactly which nakshatra and rashi Si-woo aligns with — and how strongly it scores.
See Si-woo's birth-star reading →What does Si-woo's numerology say?
Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Si-woo resonates in either tradition.
Si-woo's destiny number is 9 — but a number only matters in context. The app matches it to your family's own numbers for a real compatibility read. See Si-woo's full reading →
Does Si-woo go with your family's names?
Si-woo breaks into 5 sounds: /S-IH-W-OW-OW/. The real test isn't how it sounds alone — it's how it sounds beside the names already in your family: yours, your partner's, and any brothers or sisters. NameRoot scores that harmony, so Si-woo sits naturally next to a Mum and Dad like Michael & Anna, or a big sister named Gianna — no awkward clashes, no two names that blur together. Hear Si-woo beside your family's names →
Names similar to Si-woo
If Si-woo resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.
From the same tradition
Other Christian boy names, common in Korean families
Sharing the same meaning
Other Christian boy names from the Wisdom cluster
Names that sound similar
Christian boy names that open with the same syllables as Si-woo
Explore more names
Keep exploring names like Si-woo — by tradition, by meaning, or by first letter.
Common questions about Si-woo
What does the name Si-woo mean?
Si-woo means "Korean 시 (si — poem) + 우 (woo — universe).." It is a boy name of Korean origin, traditionally used in Christian families.
Is Si-woo a boy or girl name?
Si-woo is most commonly used as a boy name.
What is the origin of the name Si-woo?
Si-woo is of Korean origin, used in Christian, Buddhist traditions, commonly among Korean families.
Is Si-woo a Christian name?
Yes. Si-woo is a boy name traditionally used in Christian families, of Korean origin. It also appears in Buddhist tradition.
What does Si-woo mean in Korean?
Si-woo originates from Korean, where it means "Korean 시 (si — poem) + 우 (woo — universe).."
What is the numerology of Si-woo?
Si-woo has a Pythagorean destiny number of 9 — compassion and humanitarian service.
See how Si-woo scores for your family
NameRoot is the only baby-name app that scores every name across 6 signals against your specific family context. Download free — Si-woo is waiting.
Get NameRoot — free