Ralf vs Kai

Baby Name Comparison — 2026

Ralf

Boy #32,528 Most Popular 1 Syllable

"wolf counsel"

Origin: Old Norse Rádúlfr

German Scandinavian English

✓ All Clear

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Ralf Rank #32,528

Kai Rank #76

Kai is more popular, ranked #76 vs #32528 for Ralf.

Is Ralf or Kai more popular?

Kai is more popular, ranked #76 compared to Ralf at #32528 in the United States.

What do Ralf and Kai mean?

Ralf means "wolf counsel" (Old Norse Rádúlfr origin). Kai means "sea" (Hawaiian origin).

Are Ralf and Kai boy or girl names?

Ralf is primarily a boy name. Kai is primarily a boy name.