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

Tadzio

Evaristo

Derived from Emygdius, a 3rd century saint's name of unknown meaning.

Emidio

A top name for orange cats, Cheeto has never been used as a baby name (as far as we know).

Cheeto

Yasuo

Pekelo

Manuelito

Rudolpho

Gualterio

Junto

Actaviano

Ramario

Ludko

Romaro

Metro

Osbaldo

Jetro

Hugolino

Sharlo

Frido

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 79)

1770+ Boy Names Ending in O - Page 79

1770+ Boy Names Ending in O

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