boy's name
Kazuo
- Origin Japanese
- Gender Boy
- Syllables 3
- Letters 5
- Popularity Rare
- Births on record 762
Kazuo is a boy's name with 3 syllables. In 2025 it was given to 5 babies in the United States. It is a rare choice.
- Kazuo is a name of Japanese origin.
- Peaked in 1921, when 57 babies were given the name.
- Its usage has held steady over the past decade.
- Today about 1 in 663,130 babies in the United States is given this name.
- First appears in US birth records in 1911.
- 3 syllables, with the stress on syllable 2.
Kazuo over time
Births per decade in the United States, 1910s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1910s | 241 |
| 1920s | 375 |
| 1930s | 106 |
| 1940s | 11 |
| 2000s | 24 |
| 2020s (to 2025) | 5 |
How popular is Kazuo?
In 2025, Kazuo was given to 5 babies in the United States. It is a rare choice.
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Kazuo
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Kazuo also like
Names whose popularity has risen and fallen in step with Kazuo over the last century — the same taste, a different name.
Sibling names for Kazuo
Names from the same era that won't rhyme or share an initial with Kazuo — the two things that make a sibling set grate.
Common questions about Kazuo
How popular is the name Kazuo?
In 2025, Kazuo was given to 5 babies in the United States. It is a rare choice.
Is Kazuo a girl's or a boy's name?
Kazuo is given almost entirely to boys in birth records.
How many syllables are in Kazuo?
Kazuo has 3 syllables.
When was Kazuo most popular?
Kazuo peaked in 1921, when 57 babies were given the name. Its usage has held steady over the past decade.
Is Kazuo a good name?
That is not something records can settle, but they can tell you what you would be choosing. Kazuo currently ranks #12,402 in the United States. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.