Kasai

Meaning of Kasai

A Japanese surname used as a first name; also the name of a major river and region in Central Africa.

Kasai has Japanese roots — browse every Japanese baby name in our catalog.

Popularity of Kasai

A brand-new arrival — Kasai entered the US top 1,000 for the first time in 2025, debuting at #639.

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Questions about the name Kasai

What does the name Kasai mean?

Kasai means a japanese surname used as a first name; also the name of a major river and region in central africa, and it comes from Japanese origins.

Is Kasai a boy's or a girl's name?

Kasai is most commonly used as a boy's name in the United States.

How popular is the name Kasai?

In 2025, Kasai ranked #639 for boys.

When was Kasai most popular?

Kasai peaked at #639 in 2025.