Boy Names Lists · Name Spellings, Initials and Sounds
Best Boy Names Ending in O
Across 10 pages
of 10
Orlando
Italian variation of Roland
"famous throughout the land"
Orlando, the ornate Italianate twist on the dated Roland, with a literary heritage stretching back to Shakespeare and before, has appealing book-ended o's, and is open to combination with almost any…
Jericho
Biblical place-name
A biblical place name with trumpeting verve and strength. Though rarely heard as a first name, Jericho has appeared in the titles of films, TV series, songs, bands, comics, and video games (Clive…
Jethro
Hebrew
"excellence"
Jethro, though the biblical father-in-law of Moses, has suffered for a long time from a Beverly Hillbilly image, but some really adventurous parents might consider updating and urbanizing it and…
Aldo
Italian from German
"old and wise"
A spirited German name very popular in Italy and occasionally used here, Aldo is one of the unique baby names with international flair. And names that mean wise have an enduring appeal.
Gio
Italian short form of Giovanni
"God is gracious"
Giovanni is the Italian form of John, and Gio is its dashing nickname. A lot cooler than Johnny, no?
Sato
Japanese surname
"village, wise, wisteria"
Sato is a common Japanese surname traditionally used by samurai and village leaders. Like many Asian names, its meaning changes according to how it's written. Separately, Sato is a Japanese girls'…
Livio
Italian variation of Livius, Latin
"envious"
This Italian version of the ancient Roman Livius, with an unenviable meaning, is popular in France and make a fresh spin on Oliver or Levi. In the US, this is a very rare name -- it was given to only…
Sidonio
Portuguese, Spanish, and Italian form of Sidonius, Latin
"man from Sidon"
Sidonio is a masculine name with Portuguese, Spanish and Italian roots, derived from the Latin name Sidonius. Historically, it refers to someone from the ancient Phoenician city of Sidon (now in…
Giacinto
Italian, from Greek
"hyacinth"
Giacinto is a romantic Italian name and an intriguing floral choice for a boy. It comes from the Greek Hyacinthus, a character from Greek myth who shares his name with the hyacinth flower.
Orlo
Short form of Orlando or Roland, German
"famous throughout the land"
Orlo is a name nobody ever heard of until the surprise popularity of the unrelated but similar-sounding Arlo. If Arlo can be a hit, why not Orlo? Why not indeed. Some sources identify Orlo not as a…
Indio
Spanish
"Indian"
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…
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,…
Natalino
Short form of Natale, Italian variation of Natalia
"born on Christmas Day"
Natalino is the jaunty Italian male nickname for the gender-neutral Natale. And it has that fashionable o ending. Natalino might work as a nickname for Nathaniel too.
Artemio
Spanish variation of Artemis
Artemio gives energy to this august Greek mythological name.
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…
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…
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.
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…
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…
Caio
Variation of Latin Caius
"rejoice"
Joyful-sounding name that makes a really original option.