Sejin
Meaningdepends on the hanja chosen · Korean
Sejin is a Korean gender-neutral name whose meaning depends on the characters it's written with. Korean names are usually built from two syllables, each picked for the character it's written with. It sounds crisp and confident, it's easy to spell and quick to call across a playground, and it pairs well with middle names of almost any length. It suits a boy or a girl equally well.
Did you know?
- Scrabble scoreIf names were allowed in Scrabble, Sejin would score 12 points, thanks largely to the J (worth 8).
- GenerationSejin peaked in 2001, which makes it a Gen Z name. The typical Sejin you'd meet today is about 24 years old.
- HistorySejin first shows up in US birth records in 2001, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
US births per million boys, 2001–2025
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Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Sejin
Sejin is a gender-neutral name of Korean origin. Its two syllables give it an easy rhythm, and the consonant at the end gives it a confident finish. It's a fresh, modern name that only arrived in US birth records in recent decades. It's rarely heard today, so it stands out while still being a real, established name. It works for a boy or a girl, which suits parents who'd like a name that doesn't signal gender.
Origin:Korean names
More Korean names
- Girl name: Mira · wonderful
- Unisex name: Ari · lion
- Girl name: Hanna · grace
- Girl name: Mina · depends on the hanja chosen
- Girl name: Hana · one; flower in Japanese
- Unisex name: Sol · sun
- Girl name: Yuna · often gentle
- Unisex name: Dana · graceful, refined
Questions about the name Sejin
What does the name Sejin mean?
Like most Korean names, Sejin has no single fixed meaning. Each syllable is written with a hanja (Chinese) character, and parents choose the characters, and with them the meaning. The same sound can stand for very different things, so ask a Korean speaker which characters you'd use before you decide.
What is the origin of the name Sejin?
Sejin is Korean in origin. Other Korean names to consider are Mira (“wonderful”), Ari (“lion”), Hanna (“grace”) and Mina (“depends on the hanja chosen”).
Is Sejin a boy or girl name?
Both. Sejin is a true gender-neutral name used for boys and girls. That balance makes it a good pick if you'd like a name that doesn't signal gender.
How popular is the name Sejin?
Sejin is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2001. It peaked at #9,243 in 2001, so it's a name with history that few kids share today.
What should I know before naming my baby Sejin?
Sejin is a Korean gender-neutral name whose meaning depends on the characters it's written with. Korean names are usually built from two syllables, each picked for the character it's written with. It sounds crisp and confident, it's easy to spell and quick to call across a playground, and it pairs well with middle names of almost any length. It suits a boy or a girl equally well. Say it out loud with your last name and any middle names you're considering, and check the initials it makes.