1770+ Boy Names Ending in O

Elaborate & floral, Florencio is a unique Spanish name originating from the Latin Florentius.

This unisex Japanese name feels approachable in the English-speaking world as well, following in the footsteps of trending Japanese names like Kenji and Kenzo.

Mirko is a diminutive version of Miroslav but is now given as a full name.

Typically spelled Hachirō, with a macron over the O. It was historically given to the eighth son in a family, although these days eight sons is a rare occurrence.

William is a stylish classic right now, and while translating many classic names into Italian makes them instantly cooler and more attractive, this is one exception: Guglielmo presents pronunciation problems for the English speaker, suggesting the less-than-cool word "googley" followed by the even-less-cool-than-that Elmo.