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.

Names Ending in O for Boys

Brancho

Patrico

Christino

Jerico

Luis alberto

Tadzio

Mateo alejandro

Hignacio

Barto

An Italian compound name, which in English would translate to John Marcus. Popular since at least the 90s, Gianmarco currently ranks in the Italian Top 200. 

Gianmarco

Kristo

Vilko

A Serbian and Croatian diminutive of Danijel, Danilo or Gordan.

Danko

Aroldo

Mauritio

Mundo

Salvino

Marzo

Glaudio

Berno

boy names ending in o

Baby boy Names ending in the letter O, with meanings, origins, and popularity, including top boy names that end in O such as Milo and Kylo along with unique O-ending names such as Quinto. (Page 78)

1770+ Boy Names Ending in O - Page 78

1770+ Boy Names Ending in O

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