Boy Name · Japanese Origin
Kaisen
Last reviewed: June 2026
Considering Kaisen? It is a boy name whose meaning is "Continuous improvement", rooted in Japanese naming tradition, and ranks in our Rare popularity tier. Phonetically it shares territory with Kaizen.
Names like Kaisen
Frequently asked about Kaisen
What does the name Kaisen mean?
Kaisen means "Continuous improvement" and is of Japanese origin.
What is the origin of Kaisen?
Kaisen originates in Japanese naming tradition.
How do you pronounce Kaisen?
Kaisen has 6 letters and is most commonly stressed on the first syllable.
Is Kaisen a boy's or girl's name?
Kaisen is primarily used as a boy's name in US records.
How popular is Kaisen in 2026?
In our 2026 popularity tracker, Kaisen sits in the Rare tier — an uncommon, standout choice.
What names are similar to Kaisen?
Names that share Kaisen's sound and style include Kaizen, Kaysen, Kasen, Kayson, Kaison.