1770+ Boy Names Ending in O

Interesting name with a cool, upbeat sound.

Rare, with a gleaming, golden image.

In Italy, a common melding of two popular names, heard in the US as well.

Has a lot of energy and charm, as does the Italian form, Taddeo.

Mattheo is another way to say Matteo, one that gets you to either Matt or Theo

Zio is a pet form for names ending with 'zio', such as Maurizio, Marzio and Tiburzio. As a full name in Italian, though it wouldl be like naming your son Uncle Uncle.

Whether Neco is a spelling variation of the ever-more-popular Nico, pronounced NEE-koh, or an invented name all its own, it is a highly uncommon choice, given to just 5 baby boys in the US in 2021.

Lighter Latin version of Anselm.

Classic Italian name with celestial vibes.

Cool Finnish name ripe for import.

Another Spanish boys' name that relates to a goddess, the Egyptian Isis. San Isidro is the patron saint of Madrid.

Ludwig may be out, but Ludovico is very very in, at least in Italy. Undiscovered in the US and other English-speaking countries, Ludovico comes with the short form Ludo. The female form Ludovica is also popular.

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.

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

What with Paul Simon's classic lyric about Julio down by the schoolyard and several distinguished bearers, this livelier Spanish version of Julius is completely familiar to the non-Hispanic community and would make a great choice for a bicultural family. NFL Atlanta Falcons star Julio Jones bears this name.

Makeo is a rare name, which peaked in usage in the USA in 2012, when it was given to six little boys. Despite this rarity, its similarity to names like Mateo (to which it is related), Arlo, etc. means it is ripe for a spike in popularity.

Closer to Nike than to Nicholas, this is an attractive, viable import. It's also one of several Italian and Spanish baby names that get you to the stylish and attractive nickname Nico.