US Popularity Rank: 3752

Origin: Greek

Meaning: Order; Harmonious

Cosmo is a boy’s name of Greek origin. Meaning "order" and "harmonious," this name is for the parent who recognizes beauty in chaos. With such a heady, universal definition, it can feel like a lot for baby to live up to, but they'll always be able to look to the skies for inspiration. This name manages to feel both classic and futuristic, letting baby know that they can find success in every direction.