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Boy Names Lists · Name Spellings, Initials and Sounds

Best Boy Names Ending in O

Pamela Redmond

By Pamela Redmond · Updated September 2026

Names185

Pages10

Total Names185

Across 10 pages

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Showing 81–100 of 185

Giorgio
Italian variation of George
"farmer"
Giorgio as is rich in meaning and history as George, but with more Italian flair. It's a consistent Top 50 hit in Italy, and with Italian boy names like Gianni and Lorenzo rising through the charts,…
Arrow
Word name
Words are not always easy to translate into baby names , but the implications of being straight and swift lend this one great potential as a name. It also has the popular o -sound ending, which…
Paolo
Italian, variation of Paul
"small"
Paolo is an irresistibly lush Italian name for boys , worlds more romantic than its spare English equivalent. Among noted bearers of the name are Renaissance painters Uccello and Veronese, architect…
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…
Makaio
Hawaiian form of Matthew
"gift of God"
A refreshing variation on the Biblical classic Matthew, this Hawaiian form blends the stylish -o ending with the cool Kai sound. First appearing in the US stats in 1999, it has been climbing steadily…
Maceo
Spanish variation of Matthew
"gift of God"
This semi-obscure historic name was recently chosen for their son by Halle Berry and Olivier Martinez. A possible namesake is Maceo Grajales, a Cuban guerrilla leader who was second-in-command of the…
Roscoe
English, Norse
"deer forest"
Fairly popular a hundred years ago but out of the US charts since 1978, the quirky yet edgy Roscoe feels very much in step with the trending o-ending boy names popular now, such as Milo, Hugo, and…
Adriano
Italian
"man from Adria"
Adriano is a dashing Italian name which gets around the possible gender confusion of Adrian.
Marlow
English
"driftwood"
Marlow is a suave, unusual surname-name that was chosen by Celine designer Phoebe Philo for her older son. This is a name with many spellings and many difference in gender identity. Marlowe is…
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…
Zeno
Anglicized form of Greek Zenon, related to Zeus, king of the gods
Zeno, the name of two ancient philosophers, has a muscular dynamism that's lightened by its cheerful final vowel, resulting in a kind of offbeat sci-fi feel. Zeno of Citium was the founder of the…
Rowe
Variation of Rowan or Roland, or English surname
"rowan tree, little redhead; famous land, famous and brave; row"
With the stylish Ro- sound of Rowan, Ronan, and Roman, with the surname style of Brody, Banks, and Brooks, Rowe is a succinct, one syllable name to watch out for. A variation of Rowan or Roland, it…
Giacomo
Italian variation of James
"supplanter"
Giacomo is a primo member of the Giovanni-Gino-Giancarlo-Giacomo gruppo of Italian names that are beginning to be adopted by American parents. Singer/creative baby namer Sting chose it for his son.…
Nicolo
Italian form of Nicholas
"people of victory"
Nicolo is a more lively variation of Nicholas and one of the most attractive Italian names for boys . A name with a long, distinguished Italian history of its own, it also boasts the charming…
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…
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…
Winslow
English
"friend's hill"
Winston meets Marlow in this surname-style choice, blending old-fashioned charm and a hint of stuffiness with a bit of modern edge and breeziness too. Borne by the distinguished American landscape…
Hiro
Japanese
"broad, widespread"
Hiro is an apt name for a hero of the show Heroes -- and for our times. Widely used in Japan, sometimes also for girls. Hiroshi is a long form.
Romero
Spanish, Portuguese
"pilgrim to Rome; rosemary"
Romero is one of the less common variations of the stylish family of Rome-related names. Only 42 baby boys were named Romero in the US last year, versus more than 6000 named Roman and 1100 named…
Caio
Variation of Latin Caius
"rejoice"
Joyful-sounding name that makes a really original option.