Daiki
Meaningoften great radiance · Japanese
Daiki is a Japanese boy name often meaning “great radiance”. 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?
- GenerationDaiki peaked in 1993, which makes it a Millennial name. The typical Daiki you'd meet today is about 32 years old.
- HistoryDaiki first shows up in US birth records in 1990, the first year at least 5 babies got it. It has been in use for 35 years since.
US births per million boys, 1990–2025
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Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Daiki
Daiki is a boy name of Japanese origin meaning “often great radiance”. 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 Daiki
What does the name Daiki mean?
Daiki means “often great radiance” and comes from Japanese. Other boy names with a similar meaning include Ziya (“light, radiance”), Tejas (“radiance”), Haruki (“often spring or sun, radiance”) and Ziv (“radiance”).
What is the origin of the name Daiki?
Daiki is Japanese in origin. Other Japanese names to consider are Asa (“healer”), Rio (“river”), Akari (“light, brightness”) and Kenzo (“often healthy third son”).
Is Daiki a boy or girl name?
Daiki is a boy name.
How popular is the name Daiki?
Daiki is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2016. It peaked at #5,360 in 1993, so it's a name with history that few kids share today.
What names are similar to Daiki?
If you like Daiki, you might also like Ziya, Tejas, Haruki and Ziv.
What should I know before naming my baby Daiki?
Daiki is a Japanese boy name often meaning “great radiance”. 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.