1770+ Boy Names Ending in O

Iago, the villain of Shakespeare's Othello, was so treacherously evil that his name has hardly ever been heard offstage. Try the much-more-benign Inigo.

This name obviously has the prefix De- that denotes "son of"—in this form it can mean either "son of Angelo" or "from the angel."

Kyro is an even more modern twist on the stylish place name, Cairo. It entered the US Top 1000 in 2019 and has been rising quickly ever since. Less popular than Kairo and Cairo, Kyro is nevertheless given to around 450 boys each year.

The name of the great Italian Renaissance sculptor known as Donatello (but born DONATO), is one that could easily emigrate to modern America, just like sister DONATELLA.

Adriano is a dashing Italian name which gets around the possible gender confusion of Adrian.

Giacomo is a primo member of the Giovanni-Gino-Giancarlo-Giacomo gruppo of Italian names that are beginning to be adopted by American parents. Singer/creative baby namer Sting chose it for his son.

The name of the mischievous raccoon in Disney's Pocahontas is adorable for a pet.

The final o adds a macho touch.

Shakespeare's Tempest has kept the name Prospero alive.

Finnish name with a magical meaning.

Pleasing crossover possibility.

A Latin name with a lot of tango flair.

Rhythmically appealing international spin on the stiff original.

Not unless you want your son to grow up to be just like a wacky Jack Black character.

Well used in Japan, appreciated for its powerful meaning.

A handsome and romantic-sounding European option.

Lively nickname form of overused biblical favorite.

Another winning and relaxed but energetic o-ending Latin name, sometimes associated with designer Paco Rabanne.