Cosmo Name Meaning
The name Cosmo comes from English roots and carries a meaning worth knowing. Read the full meaning and origin of Cosmo below, then browse real variants, short forms, and related names from the same family. Tap any name to copy it instantly.
Cosmo Name Meaning
English form of COSMAS. It was introduced to Britain in the 18th century by the second Scottish Duke of Gordon, who named his son and successor after his friend Cosimo III de' Medici.
Frequently Asked Questions
What does the name Cosmo mean?
The full meaning, origin and background of Cosmo appear in the meaning card at the top of this page, followed by real variants and related names from the same family.
Is Cosmo a boy or girl name?
The usage and origin of Cosmo are shown in the meaning card above — the related names below include forms used across genders.
What names are similar to Cosmo?
The list below shows real name variants, short forms, and names that share the roots or sound of Cosmo — tap any name to copy it.
Is Cosmo a rare name?
Many names carry centuries of history yet stay uncommon today. Browse the related names below to find a form of Cosmo that feels right.