Koa vs Onyx

Baby Name Comparison — 2026

Koa

Boy #292 Most Popular 2 Syllables

"warrior, brave one"

Origin: Hawaiian

Hawaiian American Pacific Islander

✓ All Clear

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Koa Rank #292

Onyx Rank #359

Koa is more popular, ranked #292 vs #359 for Onyx.

Is Koa or Onyx more popular?

Koa is more popular, ranked #292 compared to Onyx at #359 in the United States.

What do Koa and Onyx mean?

Koa means "warrior, brave one" (Hawaiian origin). Onyx means "black gemstone" (Greek (onyx) origin).

Are Koa and Onyx boy or girl names?

Koa is primarily a boy name. Onyx is primarily a boy name.