1770+ Boy Names Ending in O

Variation of Vinicius

One of the coolest undiscovered international names, we love Roko for its simplicity, modern style, and freshness. It ranks among the top boy names in its native Croatia.

Variation of Kimo.

Hortensio was derived from the Ancient Roman cognomen Hortensius, as were the more familiar names Hortensia and Hortense.

Kabuto is a type of ancient Japanese warrior helmet. It is not a traditional Japanese baby name, rather, Kabuto has been used as a name in anime series including Naruto and Pokemon.

As classic as it comes in Italy — Filippo was once common during the Renaissance, and today remains in the Top 25.

This Japanese name is more often seen on girls in Japan, yet you may be familiar with it as a male name thanks to the anime series Naruto.

If you're not finding Nemo unusual enough, consider the even more eccentric Emo, which may have been invented by comedian Emo Philips.

A high energy Italian word name.

British singer-songwriter Jacob Taio Cruz dropped his first name, and has put his unusual middle on the map.