Baby boy names

Baby boy names that end with “O”

334 boy names end with the letter O.

The most popular boy name ending with O is Mateo.

Prefer a specific first letter? browse boy names that start with O.

D'Angelo

Boy

of the angel

ItalianUniqueStrong

Rare

Angelo

Boy

angel; messenger of God

ItalianClassicStrong

Uncommon

Mateo

Boy

gift of God (Spanish form of Matthew)

SpanishModernStrong

Very popular

Leo

Boy

lion

LatinClassicShortStrong

Very popular

Santiago

Boy

Saint James

SpanishModernStrongUnique

Very popular

Thiago

Boy

Saint James (Portuguese form of Santiago, from Hebrew Jacob)

SpanishModernStrongUnique

Very popular

Abelardo

Boy

Uncommon

Adalberto

Boy

Rare

Adolfo

Boy

Uncommon

Adriano

Boy

Uncommon

Alberto

Boy

Moderate

Aldo

Boy

Moderate

Alejandro

Boy

Popular

Alessandro

Boy

Moderate

Alessio

Boy

Moderate

Alexandro

Boy

Uncommon

Alfonso

Boy

Uncommon

Alfonzo

Boy

Uncommon

Alfredo

Boy

Moderate

Alonso

Boy

Moderate

Alonzo

Boy

Moderate

Alphonso

Boy

Uncommon

Alvaro

Boy

Moderate

Amadeo

Boy

Uncommon

Amado

Boy

Uncommon

Amando

Boy

Rare

Americo

Boy

Rare

Anastacio

Boy

Rare

Anselmo

Boy

Rare

Antonino

Boy

Uncommon

Antonio

Boy

Popular

Apollo

Boy

Moderate

Arcadio

Boy

Rare

Arlo

Boy

Popular

Armando

Boy

Moderate

Arnaldo

Boy

Rare

Arno

Boy

Uncommon

Arnoldo

Boy

Uncommon

Arnulfo

Boy

Uncommon

Arsenio

Boy

Rare

Artemio

Boy

Uncommon

Arturo

Boy

Moderate

Augusto

Boy

Uncommon

Aurelio

Boy

Moderate

Avelino

Boy

Rare

Baldomero

Boy

Rare

Basilio

Boy

Rare

Benicio

Boy

Moderate

Benito

Boy

Uncommon

Bernardo

Boy

Uncommon

Bo

Boy

Moderate

Brando

Boy

Rare

Braulio

Boy

Uncommon

Bruno

Boy

Moderate

Cairo

Boy

Moderate

Camilo

Boy

Moderate

Candelario

Boy

Rare

Candido

Boy

Rare

Carlito

Boy

Uncommon

Carlo

Boy

Moderate

Carmello

Boy

Uncommon

Carmelo

Boy

Moderate

Casimiro

Boy

Rare

Catarino

Boy

Rare

Cecilio

Boy

Rare

Celestino

Boy

Uncommon

Celso

Boy

Rare

Cicero

Boy

Rare

Cipriano

Boy

Rare

Cirilo

Boy

Rare

Ciro

Boy

Uncommon

Claudio

Boy

Uncommon

Conrado

Boy

Rare

Constantino

Boy

Uncommon

Cordero

Boy

Rare

Cornelio

Boy

Rare

Cosimo

Boy

Rare

Cosmo

Boy

Uncommon

Cristiano

Boy

Uncommon

Cristo

Boy

Rare

Dagoberto

Boy

Rare

Damario

Boy

Rare

Danilo

Boy

Uncommon

Dario

Boy

Moderate

Deangelo

Boy

Uncommon

Delano

Boy

Uncommon

Delfino

Boy

Rare

Demarco

Boy

Rare

Demario

Boy

Uncommon

Demetrio

Boy

Rare

Diego

Boy

Popular

Dino

Boy

Uncommon

Dionicio

Boy

Rare

Dionisio

Boy

Rare

Domenico

Boy

Uncommon

Domingo

Boy

Uncommon

Donato

Boy

Rare

Draco

Boy

Uncommon

Edgardo

Boy

Uncommon

Edmundo

Boy

Rare

Eduardo

Boy

Moderate

Edwardo

Boy

Rare

Eladio

Boy

Uncommon

Eligio

Boy

Rare

Elio

Boy

Moderate

Eliseo

Boy

Moderate

Emiliano

Boy

Popular

Emilio

Boy

Popular

Enrico

Boy

Uncommon

Enzo

Boy

Popular

Epifanio

Boy

Rare

Erasmo

Boy

Uncommon

Eriberto

Boy

Rare

Ernesto

Boy

Moderate

Eugenio

Boy

Uncommon

Eulalio

Boy

Rare

Eusebio

Boy

Rare

Evaristo

Boy

Rare

Everardo

Boy

Uncommon

Ezio

Boy

Uncommon

Fabio

Boy

Uncommon

Fabricio

Boy

Uncommon

Fabrizio

Boy

Uncommon

Faustino

Boy

Rare

Fausto

Boy

Uncommon

Federico

Boy

Uncommon

Feliciano

Boy

Uncommon

Fernando

Boy

Moderate

Fidencio

Boy

Rare

Filiberto

Boy

Rare

Flavio

Boy

Uncommon

Florencio

Boy

Uncommon

Florentino

Boy

Rare

Francesco

Boy

Uncommon

Francisco

Boy

Moderate

Franco

Boy

Moderate

Fransisco

Boy

Rare

Gabino

Boy

Uncommon

Gaetano

Boy

Uncommon

Gavino

Boy

Uncommon

Genaro

Boy

Uncommon

Gennaro

Boy

Uncommon

Geno

Boy

Uncommon

Geo

Boy

Uncommon

Geraldo

Boy

Rare

Gerardo

Boy

Moderate

Geronimo

Boy

Uncommon

Giacomo

Boy

Uncommon

Giancarlo

Boy

Uncommon

Gianfranco

Boy

Rare

Gilberto

Boy

Uncommon

Gildardo

Boy

Rare

Gino

Boy

Uncommon

Gio

Boy

Uncommon

Giorgio

Boy

Uncommon

Gonzalo

Boy

Uncommon

Gregorio

Boy

Uncommon

Guillermo

Boy

Moderate

Gustavo

Boy

Moderate

Heriberto

Boy

Uncommon

Hilario

Boy

Uncommon

Hipolito

Boy

Rare

Homero

Boy

Rare

Horacio

Boy

Uncommon

Horatio

Boy

Rare

Hugo

Boy

Moderate

Humberto

Boy

Uncommon

Ignacio

Boy

Moderate

Isidro

Boy

Uncommon

Jacinto

Boy

Uncommon

Jacobo

Boy

Uncommon

Jairo

Boy

Moderate

Jamario

Boy

Rare

Jericho

Boy

Moderate

Jeronimo

Boy

Uncommon

Jethro

Boy

Moderate

Joao

Boy

Uncommon

Juanito

Boy

Rare

Juanpablo

Boy

Uncommon

Julio

Boy

Moderate

Justino

Boy

Rare

Justo

Boy

Rare

Juventino

Boy

Rare

Kairo

Boy

Popular

Kaito

Boy

Uncommon

Kaleo

Boy

Moderate

Karlo

Boy

Uncommon

Karmelo

Boy

Uncommon

Kenzo

Boy

Moderate

Kylo

Boy

Moderate

Kyro

Boy

Moderate

Larenzo

Boy

Rare

Laszlo

Boy

Uncommon

Lauro

Boy

Uncommon

Lazaro

Boy

Uncommon

Leandro

Boy

Moderate

Leobardo

Boy

Uncommon

Leonardo

Boy

Popular

Leopoldo

Boy

Uncommon

Lino

Boy

Uncommon

Lisandro

Boy

Uncommon

Lonzo

Boy

Uncommon

Lorenzo

Boy

Popular

Luciano

Boy

Moderate

Lucio

Boy

Uncommon

Macario

Boy

Uncommon

Maceo

Boy

Uncommon

Magdaleno

Boy

Rare

Makaio

Boy

Uncommon

Manolo

Boy

Uncommon

Marcelino

Boy

Uncommon

Marcello

Boy

Moderate

Marcelo

Boy

Moderate

Marciano

Boy

Uncommon

Marco

Boy

Moderate

Margarito

Boy

Rare

Mariano

Boy

Uncommon

Marino

Boy

Rare

Mario

Boy

Moderate

Marko

Boy

Uncommon

Massimo

Boy

Moderate

Matheo

Boy

Moderate

Matteo

Boy

Popular

Mauricio

Boy

Moderate

Mauro

Boy

Uncommon

Maximiliano

Boy

Moderate

Maximino

Boy

Uncommon

Maximo

Boy

Moderate

Menno

Boy

Uncommon

Michaelangelo

Boy

Uncommon

Michelangelo

Boy

Uncommon

Milo

Boy

Popular

Modesto

Boy

Rare

Mylo

Boy

Moderate

Narciso

Boy

Rare

Neko

Boy

Uncommon

Neo

Boy

Uncommon

Nicco

Boy

Uncommon

Niccolo

Boy

Uncommon

Nico

Boy

Popular

Nicolo

Boy

Uncommon

Nikko

Boy

Uncommon

Niko

Boy

Moderate

Nino

Boy

Uncommon

Norberto

Boy

Rare

Nunzio

Boy

Rare

Octavio

Boy

Uncommon

Orlando

Boy

Moderate

Osbaldo

Boy

Rare

Osvaldo

Boy

Uncommon

Oswaldo

Boy

Uncommon

Otto

Boy

Moderate

Ovidio

Boy

Uncommon

Pablo

Boy

Moderate

Paolo

Boy

Uncommon

Patricio

Boy

Uncommon

Paulino

Boy

Rare

Paulo

Boy

Uncommon

Pedro

Boy

Moderate

Pietro

Boy

Uncommon

Porfirio

Boy

Rare

Ramiro

Boy

Uncommon

Raymundo

Boy

Uncommon

Reco

Boy

Rare

Refugio

Boy

Rare

Reinaldo

Boy

Rare

Remo

Boy

Rare

Renaldo

Boy

Rare

Renato

Boy

Uncommon

Reno

Boy

Uncommon

Renzo

Boy

Uncommon

Reymundo

Boy

Uncommon

Reynaldo

Boy

Uncommon

Ricardo

Boy

Moderate

Riccardo

Boy

Rare

Ricco

Boy

Rare

Rico

Boy

Uncommon

Rigo

Boy

Uncommon

Rigoberto

Boy

Uncommon

Rio

Boy

Moderate

Rito

Boy

Rare

Roberto

Boy

Moderate

Rocco

Boy

Moderate

Rodolfo

Boy

Uncommon

Rodrigo

Boy

Moderate

Rogelio

Boy

Uncommon

Rojelio

Boy

Rare

Rolando

Boy

Uncommon

Romario

Boy

Uncommon

Romello

Boy

Uncommon

Romelo

Boy

Uncommon

Romeo

Boy

Moderate

Romero

Boy

Uncommon

Ronaldo

Boy

Uncommon

Rosalio

Boy

Rare

Rosco

Boy

Rare

Rosendo

Boy

Uncommon

Sabino

Boy

Rare

Sandro

Boy

Uncommon

Santino

Boy

Moderate

Santo

Boy

Uncommon

Saverio

Boy

Rare

Sebastiano

Boy

Rare

Sergio

Boy

Moderate

Serjio

Boy

Rare

Servando

Boy

Rare

Severo

Boy

Rare

Shlomo

Boy

Uncommon

Silvano

Boy

Rare

Silverio

Boy

Rare

Silvio

Boy

Uncommon

Sixto

Boy

Rare

Stefano

Boy

Uncommon

Tadeo

Boy

Moderate

Teo

Boy

Moderate

Teodoro

Boy

Uncommon

Theo

Boy

Popular

Tiago

Boy

Uncommon

Timoteo

Boy

Uncommon

Tino

Boy

Rare

Tito

Boy

Uncommon

Toriano

Boy

Rare

Ubaldo

Boy

Rare

Valentino

Boy

Moderate

Victoriano

Boy

Rare

Viggo

Boy

Uncommon

Vincenzo

Boy

Moderate

Virgilio

Boy

Rare

Vito

Boy

Uncommon

Vittorio

Boy

Uncommon

Waldo

Boy

Rare

Wilfredo

Boy

Uncommon

Ysidro

Boy

Rare

Zeno

Boy

Uncommon

Browse all names All boy names →

Popular boy names ending with O

All boy names →

Mateo

Boy

gift of God (Spanish form of Matthew)

SpanishModernStrong

Very popular

Leo

Boy

lion

LatinClassicShortStrong

Very popular

Santiago

Boy

Saint James

SpanishModernStrongUnique

Very popular

Thiago

Boy

Saint James (Portuguese form of Santiago, from Hebrew Jacob)

SpanishModernStrongUnique

Very popular

Enzo

Boy

Popular