Seigo
Meaningoften righteous enlightenment · Japanese
Seigo is a Japanese boy name often meaning “righteous enlightenment”. 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?
- GenerationSeigo peaked in 2011, which makes it a Gen Z name. The typical Seigo you'd meet today is about 14 years old.
- HistorySeigo first shows up in US birth records in 2011, 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, 2011–2025
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Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Seigo
Seigo is a boy name of Japanese origin meaning “often righteous enlightenment”. 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. 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 Seigo
What does the name Seigo mean?
Seigo means “often righteous enlightenment” and comes from Japanese. Other boy names with a similar meaning include Bodhi (“enlightenment”), Satori (“enlightenment”), Daigo (“often great enlightenment”) and Shingo (“often true enlightenment”).
What is the origin of the name Seigo?
Seigo is Japanese in origin. Other Japanese names to consider are Asa (“healer”), Rio (“river”), Akari (“light, brightness”) and Kenzo (“often healthy third son”).
Is Seigo a boy or girl name?
Seigo is a boy name.
How popular is the name Seigo?
Seigo is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2011. It peaked at #12,287 in 2011, so it's a name with history that few kids share today.
What names are similar to Seigo?
If you like Seigo, you might also like Bodhi, Satori, Daigo and Shingo.
What should I know before naming my baby Seigo?
Seigo is a Japanese boy name often meaning “righteous enlightenment”. 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.