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

Arnaldo

Laureano

Edgardito

Cyro

Januario

Pepo

Cleanto

Lourenço

Fortuno

Laurencho

Isdro

Armino

Jordão

Ibo is short but striking. Another, unrelated but equally appealing name is Ivo.

Sansao

Loretto

Pompilio

Maxsimiano

Génaro

Isaco

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 72)

1770+ Boy Names Ending in O - Page 72

1770+ Boy Names Ending in O

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