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Boy Names Ending in O

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 our website’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.

Orazio Orazio is a beautiful, meaningful, and speci...
Origin:Italian
5103
Basilio

Meaning: regal

Origin:Italian and Spanish variation of Basil, Greek
5254
Canto

Meaning: song or stanza

Origin:Italian
5268
Milano

Meaning: from Milan

Origin:Italian
5427
Maro

Meaning: from Mars; bitter; or, myself

Origin:Latin, Hebrew, or Japanese
1183
Geo

Meaning: earth

Origin:Greek
2807
Arroyo The baby name Arroyo is gender-neutral and c...
Origin:Spanish surname and nature name
6847
Zindelo

Meaning: son / sonny

Origin:Romani
19431
Trypho

Meaning: softness, delicacy

Origin:Greek
0
Picasso At present, the name Picasso is inseparable ...
Origin:Spanish artist name
5333
Jano The meaning of Jano is 'Yahweh or God is gra...
Origin:Czech
12622
Falco

Meaning: falcon

Origin:Italian
3651
Goro

Meaning: fifth son

Origin:Japanese; variation of Gorou
3659
Ico The name Ico is traditionally used as a masc...
Origin:Australian
6544
Leno

Meaning: lion

Origin:Diminutive of Leonard
3463
Lonzo

Meaning: noble, ready

Origin:Diminutive of Alonzo
5091
Lauro The name Lauro originates from Italy, giving...
Origin:Diminutive of Laurence
5844
Cielo

Meaning: sky

Origin:Italian
1342
Monaco The meaning of Monaco comes from the Greek w...
Origin:Place name
8961
Oslo Oslo is predominantly a gender-neutral name ...
Origin:Norwegian place name
622