Thor vs Koi

Baby Name Comparison — 2026

Thor

Boy #2,806 Most Popular 1 Syllable

"thunder"

Origin: Old Norse

Norse Scandinavian American

✓ All Clear

Boy #2,684 Most Popular 1 Syllable

"love, romantic feeling"

Origin: Japanese

Japanese American Hawaiian

✓ All Clear

Thor Rank #2,806

Koi Rank #2,684

Koi is more popular, ranked #2684 vs #2806 for Thor.

Is Thor or Koi more popular?

Koi is more popular, ranked #2684 compared to Thor at #2806 in the United States.

What do Thor and Koi mean?

Thor means "thunder" (Old Norse origin). Koi means "love, romantic feeling" (Japanese origin).

Are Thor and Koi boy or girl names?

Thor is primarily a boy name. Koi is primarily a boy name.