Don vs Cosmo

Baby Name Comparison — 2026

Don

Boy #1,797 Most Popular 1 Syllable

"world ruler"

Origin: Scottish Gaelic

English Scottish American Irish

✓ All Clear

Boy #1,691 Most Popular 2 Syllables

"order, universe"

Origin: Greek

Italian Greek English American

✓ All Clear

Don Rank #1,797

Cosmo Rank #1,691

Cosmo is more popular, ranked #1691 vs #1797 for Don.

Is Don or Cosmo more popular?

Cosmo is more popular, ranked #1691 compared to Don at #1797 in the United States.

What do Don and Cosmo mean?

Don means "world ruler" (Scottish Gaelic origin). Cosmo means "order, universe" (Greek origin).

Are Don and Cosmo boy or girl names?

Don is primarily a boy name. Cosmo is primarily a boy name.