Cosmo vs Justus

Baby Name Comparison — 2026

Cosmo

Boy #1,691 Most Popular 2 Syllables

"order, universe"

Origin: Greek

Italian Greek English American

✓ All Clear

Boy #1,814 Most Popular 2 Syllables

"just, righteous, upright"

Origin: Latin

German Dutch English Christian

✓ All Clear

Cosmo Rank #1,691

Justus Rank #1,814

Cosmo is more popular, ranked #1691 vs #1814 for Justus.

Is Cosmo or Justus more popular?

Cosmo is more popular, ranked #1691 compared to Justus at #1814 in the United States.

What do Cosmo and Justus mean?

Cosmo means "order, universe" (Greek origin). Justus means "just, righteous, upright" (Latin origin).

Are Cosmo and Justus boy or girl names?

Cosmo is primarily a boy name. Justus is primarily a boy name.