Sonny vs Kaizen

Baby Name Comparison — 2026

Sonny

Boy #336 Most Popular 2 Syllables

"son, young boy"

Origin: English

American English Italian-American

✓ All Clear

Boy #507 Most Popular 2 Syllables

"continuous improvement"

Origin: Japanese

Japanese American

✓ All Clear

Sonny Rank #336

Kaizen Rank #507

Sonny is more popular, ranked #336 vs #507 for Kaizen.

Is Sonny or Kaizen more popular?

Sonny is more popular, ranked #336 compared to Kaizen at #507 in the United States.

What do Sonny and Kaizen mean?

Sonny means "son, young boy" (English origin). Kaizen means "continuous improvement" (Japanese origin).

Are Sonny and Kaizen boy or girl names?

Sonny is primarily a boy name. Kaizen is primarily a boy name.