User-created list
Begins or Ends with O
Across 10 pages
of 10
About this list
The names
Oliver
Germanic, Latin
"elf army; ancestor's relic; olive tree"
Oliver is an international star, ranking near the top of the charts throughout the English-speaking world and in a host of European and Latin American countries, from Norway to Chile, Slovenia to…
Leo
Latin
"lion"
Leo is a strong-yet-friendly name that was common among the Romans, used for fourteen popes, and is now at its highest point ever in the US. Brave but sparky, Leo has ranked in the Top 20 in the US,…
Owen
Welsh
"young warrior; well-born"
Owen, a resonant Celtic name, has ranked among the Top 100 boys' names in the US for 20 years and is now at its highest point ever. Why do so many parents love Owen? It's a classic with a genuine…
Beau
French
"handsome"
Beau suggests someone devilishly handsome, with a large measure of southern charm—a nice image to bestow on your boy. Often solely a nickname in the past, it's now standing firmly on its own. Beau…
Theo
Diminutive of Theodore
"gift of God"
See the popularity graph below for the name Theo? It's been heading straight uphill since 2010, when it hopped back onto the Top 1000 after a 60+ year absence. Now in the Top 100 in this form, Theo's…
Leonardo
Italian and Spanish variation of Leonard, German
"brave lion"
For centuries this name was associated primarily with the towering figure of Italian Renaissance painter-scientist-inventor Leonardo da Vinci, and was scarcely used outside the Latin culture. But…
Lorenzo
Italian; Spanish, variation of Laurence
"from Laurentium"
Latinizing Lawrence gives it a whole new lease on life. Like Leonardo, Lorenzo has been integrated into the American stockpot of names, partly via actor Lorenzo Lamas. Other associations are with…
Milo
Latin and Old German
"soldier or merciful"
Milo is most commonly considered to be Germanic name derived from the Latin word miles , meaning "soldier." However, there is evidence to suggest it also may have independently spawned from the…
Matteo
Italian
"gift of God"
This attractively energetic Italian version of the classic Matthew is primed to move further and further into mainstream American nomenclature. Mateo is technically the Spanish version, but many…
Arlo
Irish or English
"between two hills"
Quirky cool Arlo is now well and truly back. Last year it broke into the US Top 200 boy names and consistently ranks among the most popular boy names on Nameberry. Along with its Irish and English…
Emilio
Spanish and Italian variation of Emil
"rival"
Dashing and suave, with a hint of poetry and gentleness, Emilio is an appealing and international choice. A solid favorite in Italy, it is also on the rise in the US, France, Austria, and the UK.…
Diego
Spanish variation of James
"supplanter"
The energetic Diego is rising rapidly along with a lot of other authentically Spanish baby names that work perfectly well with surnames of any origin. Possibly a derivative of Santiago, Diego is a…
Antonio
Spanish and Italian variation of Anthony
"from Antium"
Antonio is a Shakespearean favorite -- the Bard used it in no less than five of his plays, and has long been a ubiquitous classic in Spanish-speaking countries, where the nickname Tonio is also…
Alejandro
Spanish variation of Alexander
"defending men"
Softer and smoother than Alexander, this classic Spanish name for boys has made a seamless transition to this culture. Adding to its current impact: the Lady Gaga song Alejandro .
Oscar
English or Irish
"God spear, or deer-lover or champion warrior"
Oscar is one of the most stylish Old Man Names of our era. While it's softened slightly in popularity over the past 20 years, that may be considered a very good thing. In the nineties and the…
Omar
Arabic, Hebrew
"flourishing, thriving; eloquent"
A multicultural choice with an appealing open O sound, Omar blends stately strength with familiarity. Also transcribed as Umar, it is a popular choice among Muslim families and features in the name…
Otto
German
"wealthy"
Otto is cool again. Long a quintessential Old Man Name, Otto has been promoted to trending darling of adventurous baby namers. Like most German names , Otto fell out of favor during and after the two…
Romeo
Italian
"pilgrim to Rome, Roman"
It wasn't so long ago that Romeo was considered as outre for an American baby as Casanova or Cupid. But that really changed when David and Victoria Beckham chose it for their second son in 2002, a…
Luciano
Italian, Spanish, and Portuguese variation of Lucian
"light"
A vibrant, operatic choice with plenty of flair and plenty of familiarity too. Popular in Italy, Chile, Uruguay, and Brazil, it also ranks in the Top 500 in France and the US. Operatic tenor Luciano…
Niko
Finnish form and Croatian and Slovene short form of Nicholas, Greek
"victory of the people"
Popular in Croatia, Spain, New Zealand, and Slovenia, Niko has also been rising up the US popularity charts for boys since the late 2000s. Fresher than Nicholas, spikier than Nico, it currently ranks…