Order and the whole universe share space in this Greek name for a boy dog. Cosmo points to both ideas at once, structure and vastness, which gives it a cheerfully cosmic, slightly dreamy quality. It is a classic name with two friendly syllables, grand in meaning but light and approachable in everyday use.
Cosmo fits a curious boy who stares at the night sky like he is working something out. It suits owners who like big ideas wrapped in a name that still sounds playful. There is more behind it than the sound alone. Its Greek background is written all over it, from the first letter to the last. In our collection it sits with the classic names, and the feel matches: traditional without ever sounding old fashioned. The opening C is part of its identity: 36 names in the collection start the same way.
A name gets said a thousand times a year in this house or that one. Said in two beats, Cosmo has enough length to sound affectionate and enough brevity to stay sharp. The name in print is 5 letters long, beginning with C and easy to spot on any list. A quick test helps: if you can say it kindly while half asleep, it will survive real life.
Fit matters more than fashion with a name like this. This is a name for the owner who keeps the same lead for ten years: classic, dependable and quietly handsome. In this collection it belongs to the males, a boy's name through and through. You will say it more than almost any other word this year, so let it be one you enjoy.
Every name in the collection that begins with the letter C.
Every classic name in the collection, Cosmo included.
The whole collection on one page, every name linked to its own page.
Browse by letter or style, match names to a breed, or open the name finder.
Cosmo is a name of Greek origin. Our collection describes it this way: Greek for order and universe; cheerfully cosmic. Everything else on this page is detail; that note is the name itself.
In this collection the name belongs to boy dogs, though like most names it would survive a transfer to a girl.
In speech it takes two syllables; in writing, 5 letters. That rise and fall rhythm is what most recall training is built around, and it works.