Lou vs Ao

Baby Name Comparison — 2026

Lou

Boy #2,123 Most Popular 1 Syllable

"famous warrior"

Origin: Germanic via French Louis

French English American

24 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Lou' can be twisted to 'poo'"}

Boy #14,516 Most Popular 2 Syllables

"blue, blue-green"

Origin: Japanese

Japanese Chinese Maori

✓ All Clear

Lou Rank #2,123

Ao Rank #14,516

Lou is more popular, ranked #2123 vs #14516 for Ao.

Is Lou or Ao more popular?

Lou is more popular, ranked #2123 compared to Ao at #14516 in the United States.

What do Lou and Ao mean?

Lou means "famous warrior" (Germanic via French Louis origin). Ao means "blue, blue-green" (Japanese origin).

Are Lou and Ao boy or girl names?

Lou is primarily a boy name. Ao is primarily a boy name.