Seongjun
/S-AH-NG-D-ZH-UW-N/
Holy completion — Seong means sacred, saintly, the quality of one who has achieved moral perfection through cultivation; Jun means completion, excellence, the pinnacle reached. Together they describe a man of perfected virtue, not born that way but arrived there through the Confucian work of daily self-refinement that Korean tradition honours as the highest human achievement any person can aspire to reach
See Seongjun scored for your familyMeaning & origin
Seongjun is a boy's name of Korean origin, traditionally used in Buddhist families. The name means "Holy completion — Seong means sacred, saintly, the quality of one who has achieved moral perfection through cultivation; Jun means completion, excellence, the pinnacle reached. Together they describe a man of perfected virtue, not born that way but arrived there through the Confucian work of daily self-refinement that Korean tradition honours as the highest human achievement any person can aspire to reach" and belongs to the Divine cluster — names rooted in sacred meaning and spiritual tradition.
Beyond its Buddhist heritage, Seongjun is also used in Christian, Atheist traditions, reflecting how this name has traveled across cultures.
Common among Korean families, Seongjun carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
Numerology of Seongjun
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 Seongjun resonates in either tradition.
How Seongjun sounds
NameRoot scores the phonetic fit of every name against the sound of your last name. The pronunciation of Seongjun breaks down into 7 phonemes: /S-AH-NG-D-ZH-UW-N/. In the app, you'll see how those sounds flow with your family name across rhythm, stress, and consonant clusters.
Nicknames
Common affectionate forms of Seongjun — useful for everyday family conversation, early childhood, or as standalone given names themselves.
The six signals, applied to Seongjun
NameRoot scores every name across six independent dimensions. Here's how Seongjun maps to each — install the app to see the full compatibility score for your specific family.
Names similar to Seongjun
If Seongjun 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 Buddhist boy names, common in Korean families
Sharing the same meaning
Other Buddhist boy names from the Divine cluster
Names that sound similar
Buddhist boy names that open with the same syllables as Seongjun
Common questions about Seongjun
What does the name Seongjun mean?
Seongjun means "Holy completion — Seong means sacred, saintly, the quality of one who has achieved moral perfection through cultivation; Jun means completion, excellence, the pinnacle reached. Together they describe a man of perfected virtue, not born that way but arrived there through the Confucian work of daily self-refinement that Korean tradition honours as the highest human achievement any person can aspire to reach." It is a boy name of Korean origin, traditionally used in Buddhist families.
Is Seongjun a boy or girl name?
Seongjun is most commonly used as a boy name.
What is the origin of the name Seongjun?
Seongjun is of Korean origin, used in Buddhist, Christian, Atheist traditions, commonly among Korean families.
What are common nicknames for Seongjun?
Common short forms of Seongjun include Seoni, Seon.
What is the numerology of Seongjun?
Seongjun has a Pythagorean destiny number of 33 — the master teacher — unconditional love in action.
See how Seongjun 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 — Seongjun is waiting.
Get NameRoot — free