1770+ Boy Names Ending in O

Zero has been documented as a given name before, but it's largely familiar as a stage name (such as Zero Mostel, born Samuel Joel Mostel) and comic book and anime characters.

Ichiro is a good classic choice for the first boy in a Japanese family.

The last name of Finnish moderne designer/architect makes an original, creative choice with an unexpected water-related meaning.

Paolo is an irresistibly lush Italian name for boys, worlds more romantic than its spare English equivalent.

About 100 baby boys were named Lucio in the US last year, a number we expect to increase with the growing popularity of all names in the Lu family. It's a family united by sound, with three main branches.

Shakespeare's moor has exclusive ownership of this name.

Varying the spelling of an established name or word to substitute a k for a c has become more and more kommon, oops, common. Some parents feel that using a different spelling makes the name more of a name and less of a place or a word. Kairo may seem to lend itself particularly well to this practice given that the K spelling turns the first syllable into the stylish name Kai. But we prefer the more authentic Kai or Cairo.

Akiro is well used in Japan, the first name of famed director Kurosawa.

This West African name has an upbeat, energetic sound, yet it is traditionally used for a son who was born during troubled times.

Tao is the Chinese word for the underlying harmony of the universe, combining both yin and yang. Extreme kayaker Tao Berman made this one of the spiritual names prime for adoption. Tao rhymes with cow.

Popular in its own right in Germany and definitely makes a more intriguing and grownup short form of the classic Timothy than Timmy or even Tim.

Also, unfortunately, better known as a chocolate syrup. Borden and Bosco could play well together.

Alonso is the Spanish and Portuguese diminutive version of Alfonso, itself deriving from an old Germanic name "Adalfuns" meaning "noble and ready." Although the Italian spelling Alonzo is more popular in the US, Alonso has its own strong history.

A well-used Spanish saint's name with a lot of flair that could definitely cross over to more general usage. It reached its peak in the United States in 1985, when it ranked Number 456. In Spain, Alvaro is a Top 20 boys' name.

Italian heritage name. It's sweet and simple, but has fallen almost out of use since its heyday in the 1960s.

Though this simple, appealing name works for both genders in Japan, it's best known as the name of the princess who chose to leave the Royal Family in order to marry a commoner. As a boys' name, it can be a short form of Makato. Mako also means "shark" in Maori, and is the name of two shark species.

Shiny and sylvan choice.

Joyful-sounding name that makes a really original option.

Mungo is one of the most classic Scottish names but perhaps also among the most difficult names to carry. There is a St. Mungo whose proper name was Kentigern; he is the patron saint of Glasgow.