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Best Boy Names Ending in O

Boy names ending in the letter O have been fashionable for a couple of decades now, with many of the most popular choices zooming to the top of the list.

The best boy names ending in O include selections from those top names as well as unique O-ending names. The Top O-ending boy name in the US right now is the Spanish Mateo. Along with Mateo, other boy names ending in O in the US Top 500 include Leo, Santiago, Milo, and Theo.

Unique boy names ending in O that make our best list include Anselmo, Benno, Caio, and Laszlo.

Of course, O is the usual ending for boys' names in Italy, Spain, and other Latinate countries. O-ending boys' names popular internationally include choices from those lands as well as boys' names with other origins that carry the O ending.

We've included a few fashionable names here that don't technically end in O but in the O sound.

If you want to explore beyond our Best List, see our master list of nearly 1800 boy names ending in o.

Darl Darl is a pretty common name all over the wo...
Origin:Literary name
6148
Diversity Diversity is a beautiful name of English ori...
Origin:English word name
13320
Diversity Diversity is a beautiful name of English ori...
Origin:Word name
10286
Devere

Meaning: of the fishing place

Origin:French
2599
Dumas

Meaning: of the little farm

Origin:French
3564
Divine Divine is a modern name that can have many m...
Origin:Word name
5069
Dandelion

Meaning: lion's tooth

Origin:Flower name, from French
1653
Dignan

Meaning: descendant of the dark haired one

Origin:Irish surname
7143
Darling

Meaning: dear

Origin:English surname, English word name
2988
Drover

Meaning: driver of sheep or cattle

Origin:English occupational surname
6331
Derby

Meaning: park with deer

Origin:English
15466
Derby

Meaning: park with deer

Origin:English
10025
Dover Dover is a beautiful name that is commonly g...
Origin:British place-name
5509
Dayton

Meaning: place with a dike

Origin:English, variation of Deighton
7378
Duffy

Meaning: dark

Origin:Irish
4848
Duffy

Meaning: dark

Origin:Irish
8190
Dai

Meaning: to shine

Origin:Japanese
6918
Delicia

Meaning: delight

Origin:Latin
5784
Dulce

Meaning: sweet

Origin:Latin
2281
Dayana

Meaning: heavenly, faith

Origin:Spanish, Kazakh
4399