Best Boy Names Ending in O

Makeo is a rare name, which peaked in usage in the USA in 2012, when it was given to six little boys. Despite this rarity, its similarity to names like Mateo (to which it is related), Arlo, etc. means it is ripe for a spike in popularity.

Vieno is a unisex name that comes from the Finnish word for "gentle". With its dashing -o ending and sleek sound, we think that Vieno is a fashionable choice that could work well outside of Finland.

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, could be another one to add to the mix.

The best-known modern bearer is fashion designer Giorgio Armani.

Dashing surname for the Basque kingdom.

Because of shoe designer Manolo Blahnik, this has become a generic term for pricey stilettos, as in "I must have those Manolos."

Long considered Mr. Hall's exclusive property, it's now ready to be adopted by others.

Marino is an Italian first and surname with distinct crossover possibilities, having pleasant seaside undertones, and is far more unusual in the U.S. than sister Marina.

Kruno comes from the Serbo-Croatian kruna, meaning crown, and is usually a short form of the name Krunoslav. Pronounced like Bruno with a K, it's a cool and internationally undiscovered name that could easily join the stylish -O name family.

Artemio gives energy to this august Greek mythological name.

Upbeat choice.

Junot, which sounds like the goddess and indie movie name "Juno" and the Alaskan place name Juneau, is actually someting completely different. The literati will recognize the unusual name of writer Junot Diaz.

This cute Estonian name is typically a short form of Endel, although it has a history of being used as a stand-alone. It originates in the feminine name Endla, originally the name of an Estonian lake. Easy to spell and pronounce, with a fun sound and the cool -o ending, Endo is a name that could cross cultures easily.

Placido was commonly used by early Christians to convey their serenity in the faith, and it was borne by several minor saints.

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 diminutive from names in the Frederick family, making it is a cousin of Freddie, Fritz and Fedde. This name is so rare it's never appeared on the charts, but with its energetic O ending it might appeal if you're looking for an alternative to names like Otto and Arlo.

This name of a California desert town, used by Deborah Falconer and Robert Downey, Jr. for their son, makes a much livelier and more individual – not to mention more masculine – improvisation on the themes of India and Indiana.

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 connotations due to its association with the Roman Julius Caesar and the subsequent imperial title. Cesario has remained relatively uncommon in English-speaking countries, maintaining its distinctive character as a heritage name in Italian and Hispanic communities. The name appears in literature, most notably in Shakespeare's 'Twelfth Night,' where Viola disguises herself as a character named Cesario. With its melodic quality and rich historical connections, Cesario offers a distinctive option for parents seeking a name with classical roots and a romantic Mediterranean flair.

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 institutions and known especially for The Gates of Central Park and Running Fence. Christo is his full given name.

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 while maintaining the celestial connection. The name comes from Greek 'kallistos' meaning 'most beautiful.' While the feminine form Callista is more common in English-speaking countries, Calisto offers a distinctive alternative for boys. The name carries an artistic, sophisticated quality with its classical roots and melodic sound. Popular in some Latin cultures, Calisto provides a unique option that balances exotic appeal with historical depth. Its connection to the stars gives it an aspirational, expansive quality that many parents find appealing.

This rare masculine form of Sophia could add a fresh twist on the popular name. It is occasionally used as a feminine name in Georgia too, making this a unisex possibility.