1. Home
  2. TAGS

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.

Florentino The meaning of Florentino is 'flowering' or ...
Origin:Latin
9640
Pacifico Pacifico is the Spanish variant of the Ameri...
Origin:Spanish
9794
Patrizio The name Patrizio is a great name that is mo...
Origin:Italian
10245
Remo Remo is a baby boy name with Italian roots. ...
Origin:Italian variation of Remus, meaning unknown
1990
Origin:Literary name
10750
Cello The meaning of Cello is 'little violone'. So...
Origin:Word name
2796
Boo Boo is not famous as a name but as a term of...
Origin:Word name or nickname
2873
Origin:Word name or short form of Ignacio
2991
Argo Argo is commonly used as a masculine name of...
Origin:Greek mythology name
939
Bello

Meaning: handsome, beautiful

Origin:Italian
5258
Pablo

Meaning: small

Origin:Spanish variation of Paul
882
Delano

Meaning: from the forest of nut trees

Origin:French surname
1423
Nicolo

Meaning: people of victory

Origin:Italian form of Nicholas
1680
Sandro

Meaning: defending men

Origin:Diminutive of Alessandro, Italian
1828
Galileo

Meaning: from Galilee

Origin:Italian
1840
Giorgio

Meaning: farmer

Origin:Italian variation of George
1851
Piero

Meaning: rock

Origin:Italian, variation of Peter
1913
Valerio

Meaning: strength, health

Origin:Latin
1935
Gaetano

Meaning: from the city of Gaeta

Origin:Italian
1967
Flavio

Meaning: yellow, blond

Origin:Italian, Spanish variation of Flavius, Latin
1982