1770+ Boy Names Ending in O

Groovier than Daniel, with an engaging, upbeat energy.

Ibo is short but striking. Another, unrelated but equally appealing name is Ivo.

A name rich in historic, poetic, and operatic allusions, and an interesting Italian alternative to the more ordinary Giovannis and Giorgios. A current prominent surname bearer is Republican Congressman Tom Tancredo.

Ancient Italian martyr's name that's a rarity here and now.

Many Welsh rivers make great baby names, like Aled and Teifi. Artro is a particularly appealing one, combining fashionable sounds of Arthur and O-ending boy names.

Common Japanese name most notably connected to Shigeo Shingō, Japanese industrial engineer and expert on the Toyota Production System.

Seppo has two separate Finnish origins. The first is as a nickname for Sebastian, a name used widely across Europe. The second version is derived from the Finnish word seppä, meaning "smith."

Following the trend of number names for babies, Cinco has the potential to be a fast riser in the coming years. Even more so now that Cassie used it as the middle name for her daughter Sunny, born in 2021.

From the root that gives us "benign," Benigno is not as accessible in English-speaking cultures as such names as Bruno and Benicio. Filipino Senator Benigno Aquino, Jr., went by his nickname Ninoy. 

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.