boy name · Greek origin
Cosmo
/ KOZ-moh /
Meaning
Cosmo means Order, universe (Greek).
Gender
Boy
Origin
Greek
Pronunciation
KOZ-moh
Popularity
#1934 · U.S. boys (2025)
Popularity of Cosmo in the US, 1880–2025
Cosmo first appears in US records in 1910. It peaked in 2022, when 99 boys were given the name; in 2025 there were 80.
Source: US Social Security Administration.
What does Cosmo mean?
Cosmo comes from the Greek kosmos, “order,” “harmony” or “universe.”
Frequently asked questions
What does the name Cosmo mean?
Cosmo means Order, universe. Cosmo comes from the Greek kosmos, “order,” “harmony” or “universe.”
What is the origin of the name Cosmo?
Cosmo is of Greek origin.
How do you pronounce Cosmo?
Cosmo is pronounced “KOZ-moh.”
Is Cosmo a boy or a girl name?
Cosmo is most commonly used as a boy name.
How popular is the name Cosmo?
In 2025, Cosmo ranked #1934 among boys’ names in the United States, according to U.S. Social Security Administration data.
When was the name Cosmo most popular?
Cosmo was most popular in 2022, when about 99 US babies were given the name that year, according to US Social Security Administration records.