Boy Names Lists · Name Spellings, Initials and Sounds
Best Boy Names Ending in O
Across 10 pages
of 10
Caio
Variation of Latin Caius
"rejoice"
Joyful-sounding name that makes a really original option.
Calisto
Calisto is a masculine name derived from Greek mythology, where Callisto was a nymph who was transformed into the constellation Ursa Major. The masculine form shifts the mythological association…
Faro
Italian word name
"lighthouse"
Names ending with O are popular, but this one is almost unheard-of. Faro has the advantages of being easy to spell and pronounce (unless it's confused with Pharaoh), and a bright meaning. Ultimately…
Cassio
Italian variation of Cassius
"hollow"
Cassio is a notable Shakespearean name that's a member of the ever-more-popular Cassius family of names. Cassio was Othello's young, good-looking, and flirtatious lieutenant.
Cato
Latin
"all-knowing"
Cato conjures up images of ancient Roman statesmen and southern antebellum retainers; it could have revival potential, with its 'O' ending and the current interest in the names of Greek and Roman…
Cesario
Cesario is a masculine name with Italian and Spanish origins, derived from the Latin name 'Caesar,' which means 'long-haired' or 'head of hair.' Historically, the name carries prestigious…
Claudio
Italian, Spanish
"lame; enclosure"
Claudio, a most appealing Italian name, is featured in not one, but two Shakespearean plays, , Measure for Measure and Much Ado About Nothing . While "lame" is the most widely acknowledged meaning,…
Christo
Slavic
"one who carries Christ"
This unusual name, which is jauntier than Chris when used as a diminutive of Christopher, is associated with the Bulgarian installation artist of that name, responsible for wrapping many public…
Cordero
Spanish
"lamb"
Sounds more like a car than a baby name. Some sources related it to the English surname Carter, which would be more stylish these days.
Cosimo
Italian variation of Cosmo
"order, beauty, universe"
Dramatic and worldly, Cosimo was chosen by singer Beck and his wife, Marissa Ribisi, for their son. Now that Cosima has emerged as a starbaby favorite, twin brother Cosimo could join her. Cosimo de…
Cosmo
Italian, English, Greek
"order, beauty, universe"
With a touch of celestial power, a hint of clunky charm, and the totally cool -o ending, Cosmo may well be finally shaking itself free of both the Seinfeld association (which made it a punchline of a…
Domenico
Spanish, Italian variation of Dominic, Latin
"belonging to the Lord"
Romantic and artistic Domenico is ripe for the picking as a relatively rare name that fits in with current favorites such as Leonardo and Emiliano. Domenico is the name of many great creatives…
Donato
Latin
"given by God"
Widely used in Italy, Spain, and Portugal, has an air of generosity and could easily be adopted here.
Echo
Greek mythology name
"echo or sound"
Although this is traditionally seen as a female name, via the classical mythological nymph who pined away for Narcissus until all that remained of her was a disembodied voice — it can also be used…
Ezio
Italian from Greek
"eagle"
An operatic Italian option via South Pacific star Pinza, one of several Italian names currently hot in France. Ezio is the Italian form of the Greek name Aetius. Zoe Saldana and Marco Perego Saldana…
Enno
German and Frisian
"eagle"
Popular in northern Germany, the Netherlands, and Scandinavian countries, Enno derives from names containing the element 'arn' meaning 'eagle.' In East Frisian tradition, Enno was a name borne by…
Fenno
A Finnish tribe and language
If you've heard this name, it's probably from the hero of the acclaimed Julia Glass novel, Three Junes , or else the political scientist Richard Fenno. As well as a Finnish name, it's alos a Frisian…
Federico
Italian and Spanish variation of Frederick, German
"peaceful ruler"
If Frederick feels too heavy, the Spanish and Italian has more energy. It's a long-term Top 20 name in Italy, and has neat nicknames like Fredo in Italian and Fede in Spanish. Famous bearers include…
Fiero
Italian word name
"proud"
Fiery sound and uplifting meaning, but it's also among the Top 100 dog names. Spelled Fiyero, it's the hero of the book and musical "Wicked."
Geronimo
Native American; Italian variation of Jerome
This name of a renowned Apache leader and mystic would be a difficult choice, since it was used as a rallying cry in so many old westerns and by paratroopers jumping out of their planes in World War…