Names Ending in O for Boys

A cute and lively Japanese name, reminiscent of names like Micah and Nico. Mikio can have many meanings depending on the kanji used to write it, but the most common ones give it the nature meaning "tree trunk": perfect for wishing strength, sturdiness and stability on your baby boy. Famous namesakes include Naruto manga artist Mikio Ikemoto, guitarrist Mikio Fujioka, and mathematician Mikio Sato.

Mikio

From the popular Slavic element milŭ, Milenko originated as a diminutive, masculine form of names containing that element, such as Milan, Milen, Bogomil, Radomil, Miloslav, or Milorad. Now used as a standalone name as well as a nickname, Milenko is borne by basketball player Milenko Topić, TV presenter Milenko Nedelkovski, and pilot Milenko Pavlović.

Milenko

Minho

Minwoo

Mirio

Mitsuo

Modibo

Monchello

Mondo as a first name was introduced the world by champion pole vaulter Armand "Mondo" Duplantis, an American Olympic gold medalist who competes for Sweden.

Mondo is also an Italian word meaning world and can be a surname. The name is also found as Mando.

Mondo or Mando definitely make a long form like Armando cool again.

Mondo

Monolito

Monsanto

Montario

Monteco

Monterio

A Spanish occupational surname with the international flair of Mateo and the charm of Monty, Montero was originally given to those who worked as assistants and beaters for hunting parties in the mountains. 
 Notably borne by rapper-singer-songwriter Montero Hill, "Lil Nas X", and used as the name of his debut studio album, the music artist was named for the Mitsubishi Montero, meaning this name also fits in to the trend of brand names like Armani and car names like Bentley.

Montero

Monterrio

Montico

Montonio

Montsho

Boy names ending in O offer many intriguing options, from such top names as Theo to unique O-ending names from Kylo to Zino.

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.

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, ordered by their current popularity on Nameberry.

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 139)

1770+ Boy Names Ending in O