Kai vs River

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Boy #112 Most Popular 2 Syllables

"flowing body of water, stream"

Origin: Old French

English American Australian

✓ All Clear

Kai Rank #76

River Rank #112

Kai is more popular, ranked #76 vs #112 for River.

Is Kai or River more popular?

Kai is more popular, ranked #76 compared to River at #112 in the United States.

What do Kai and River mean?

Kai means "sea" (Hawaiian origin). River means "flowing body of water, stream" (Old French origin).

Are Kai and River boy or girl names?

Kai is primarily a boy name. River is primarily a boy name.