Seiya
Meaningoften holy night · Japanese
Seiya is a Japanese boy name often meaning “holy night”. In Japan, parents often choose a name as much for the kanji characters behind it as for its sound, so the same name can carry several shades of meaning. A meaning like this gives a child something to grow into, and a good story to tell when someone asks about their name. It sounds soft and friendly, it's easy to spell and quick to call across a playground, and it pairs well with middle names of almost any length.
Did you know?
- GenerationSeiya peaked in 2005, which makes it a Gen Z name. The typical Seiya you'd meet today is about 20 years old.
- Roll callIn a typical school of 500 kids, your Seiya would very likely be the only one. About 1 in 169,492 baby boys got the name in 2025.
- HistorySeiya first shows up in US birth records in 1996, the first year at least 5 babies got it. It has been in use for 29 years since.
US births per million boys, 1996–2025
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Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Seiya
Seiya is a boy name of Japanese origin meaning “often holy night”. Its two syllables give it an easy rhythm, and the open vowel at the end makes it sound soft and warm. It's a fresh, modern name that only arrived in US birth records in recent decades and is still gaining fans. It's rarely heard today, so it stands out while still being a real, established name.
Origin:Japanese names
More Japanese boy names
- Unisex name: Asa · healer
- Unisex name: Rio · river
- Unisex name: Akari · light, brightness
- Boy name: Kenzo · often healthy third son
- Boy name: Kenji · often strong second son
- Unisex name: Ren · often lotus
- Unisex name: Zen · meditation
- Unisex name: Mars · god of war
Questions about the name Seiya
What does the name Seiya mean?
Seiya means “often holy night” and comes from Japanese. Other boy names with a similar meaning include Isra (“night journey”), Tarik (“morning star, night visitor”), Nox (“night”) and Tarek (“morning star, night visitor”).
What is the origin of the name Seiya?
Seiya is Japanese in origin. Other Japanese names to consider are Asa (“healer”), Rio (“river”), Akari (“light, brightness”) and Kenzo (“often healthy third son”).
Is Seiya a boy or girl name?
Seiya is a boy name. In 2025, 10 US boys were named Seiya.
How popular is the name Seiya?
Seiya ranked #7,679 for US boys in 2025, given to 10 babies. Its best year was 2005, when it reached #7,096. Over the last five years it has climbed 2,926 places.
What names are similar to Seiya?
If you like Seiya, you might also like Isra, Tarik, Nox and Tarek.
What should I know before naming my baby Seiya?
Seiya is a Japanese boy name often meaning “holy night”. In Japan, parents often choose a name as much for the kanji characters behind it as for its sound, so the same name can carry several shades of meaning. A meaning like this gives a child something to grow into, and a good story to tell when someone asks about their name. It sounds soft and friendly, it's easy to spell and quick to call across a playground, and it pairs well with middle names of almost any length. Say it out loud with your last name and any middle names you're considering, and check the initials it makes.