Onyx vs Koa

Baby Name Comparison — 2026

Onyx

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Boy #292 Most Popular 2 Syllables

"warrior, brave one"

Origin: Hawaiian

Hawaiian American Pacific Islander

✓ All Clear

Onyx Rank #359

Koa Rank #292

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

Is Onyx or Koa more popular?

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

What do Onyx and Koa mean?

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

Are Onyx and Koa boy or girl names?

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