Killua vs Olivia

Baby Name Comparison — 2026

Killua

Boy #5,636 Most Popular 3 Syllables

"fictional invented name, no established meaning"

Origin: Japanese (fictional)

American Japanese

✓ All Clear

Boy #5,747 Most Popular 4 Syllables

"olive tree"

Origin: Latin oliva

English Italian Spanish American

✓ All Clear

Killua Rank #5,636

Olivia Rank #5,747

Killua is more popular, ranked #5636 vs #5747 for Olivia.

Is Killua or Olivia more popular?

Killua is more popular, ranked #5636 compared to Olivia at #5747 in the United States.

What do Killua and Olivia mean?

Killua means "fictional invented name, no established meaning" (Japanese (fictional) origin). Olivia means "olive tree" (Latin oliva origin).

Are Killua and Olivia boy or girl names?

Killua is primarily a boy name. Olivia is primarily a boy name.