Menu

Boy Names Ending in O

Boy names ending in o.jpg?ixlib=rails 3.0
Boy names ending in O offer many intriguing options.


Mateo is the most popular boy name ending with O right now, though there are nearly 100 O-ending boy names among the US Top 1000.Along with Mateo, other boy names in the US Top 1000 include Leo, Santiago, Diego, Romeo, and Antonio.

And there are hundreds more unique names for boys that end with the letter O worthy of your consideration.These range from the biblical Jethro to the ancient Greek Cosmo to the cool, modern Rio and Po.

Here are all Nameberry’s boy names that end with the letter O.The top names below rank among the current US Top 1000 Baby Names and are ordered by popularity.Unique names rank below the Top 1000 and are listed alphabetically.
See Unique Boy Names Ending in O

Top Boy Names Ending in O

  • Mateo

    Mateo is a Latinate form of Matthew, which derived from the Hebrew name Mattiyahu, consisting of the elements mattan, meaning “gift” and yah, which references the Hebrew God.... Read More 

  • Leo

    Leo was derived from the Latin leo, meaning “lion.” Thirteen popes have carried the name, including St. Leo the Great. In Germanic languages, Leo has historically been used as a nickname... Read More 

  • Santiago

    Santiago is a spirited Spanish name with great crossover potential: a place-name (it's a city in Chile), a surname, and the patron saint of Spain. It's a name on the rise in the charts. ... Read More 

  • Leonardo

    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... Read More 

  • Diego

    The energetic Diego is rising rapidly along with a lot of other authentically Spanish baby names that work perfectly well with... Read More 

  • Antonio

    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... Read More 

  • Lorenzo

    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... Read More 

  • Milo

    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... Read More 

  • Emiliano

    Emiliano and Emilio are the appealing Latinate version of Emil. Emiliano Zapata Salazar was a leading figure in the Mexican Revolution, who helped establish modern Mexico.Read More 

  • Matteo

    This attractively energetic Italian version of the classic Matthew is primed to move further and further into mainstream American nomenclature.

    Actor Colin Firth has a son called... Read More