1770+ Boy Names Ending in O

A nickname for Isak, the Nordic variation of Isaac.

Ario was derived from the Roman family name Arrius, although it bears closer resemblance to Aria, the Italian name meaning "song."

Less substantial than many other Latin choices.

Schoolchildren will recognize this name via Portuguese explorer Vasco da Gama.

Aapo has been a common Finnish name for decades and is now declining in popularity.

Pittsburgh Steelers wide receiver Plaxico Burress brought this name, which was inherited from an uncle, into the mix, adding to the category of names with peaceful meanings.

Another appealing member of the Alexandrian clan.

Marino is an Italian first and surname with distinct crossover possibilities, having pleasant seaside undertones, and is far more unusual in the U.S. than sister Marina.

Possibly meaning "bold", this West African surname is less commonly found as a first name, too.

Mino is traditionally a name for people born along Spain's Minho River or Rio Mino. It may be a surname or a first name.

Romantic Italian choice.

Demetrio is an original way to a mythological name, and is further appealing as a boy's name inspired by a goddess, the earth mother Demeter.

More neo than Neo, this is a name heard in the Power Rangers film title Power Rangers Zeo.

Zacheo is an Italian last name that is occasionally seen as a first name. Also used in Brazil (where it can be pronounced Za-shey-o), it could prove a little-known (to English speakers) alternative to Zachary.

Cecilio is derived from Caecilius, an Ancient Roman surname that was likely originally bestowed upon someone who was blind.

There are many more substantial Italian choices.

Flavio is derived from Flavius, a surname used in Ancient Rome. These family names, or cognomens, were given to distinguish branches of the clan and were chosen based on a characteristic of an important bearer. In this case, the Flavius family patriarch was likely blond-haired.