Nyx vs Kaio

Baby Name Comparison — 2026

Nyx

Boy #4,134 Most Popular 1 Syllable

"night"

Origin: Greek

Greek American English

✓ All Clear

Boy #4,096 Most Popular 2 Syllables

"rejoice, be happy"

Origin: Latin

Brazilian Portuguese Japanese American

✓ All Clear

Nyx Rank #4,134

Kaio Rank #4,096

Kaio is more popular, ranked #4096 vs #4134 for Nyx.

Is Nyx or Kaio more popular?

Kaio is more popular, ranked #4096 compared to Nyx at #4134 in the United States.

What do Nyx and Kaio mean?

Nyx means "night" (Greek origin). Kaio means "rejoice, be happy" (Latin origin).

Are Nyx and Kaio boy or girl names?

Nyx is primarily a boy name. Kaio is primarily a boy name.