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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.

Darby

Meaning: free from envy, or, from the deer estate

Origin:Irish or Norse, "free from envy, or, from the deer estate"
1448
Danica

Meaning: morning star

Origin:Slavic
808
Dee Dee is a feminine name of American origin. S...
Origin:Nickname for any girl name that starts with D
1818
Dodo The four-letter name Dodo is a very unique a...
Origin:Diminutive of Dorothy
2990
Dodie

Meaning: gift of god

Origin:English diminutive of Dorothy
3324
Dilly Dilly is a name that is generally used for b...
Origin:Diminutive of Dilys, Dilwen, and Daffodil
3358
Dalia

Meaning: branch; dahlia; gentle

Origin:Hebrew, Spanish, or Swahili
1037
Domenica

Meaning: belonging to the Lord

Origin:Italian feminine form of Dominic
4460
Davida

Meaning: beloved

Origin:Feminine variation of David
4715
Daenerys Daenerys is a name of English origins. In th...
Origin:Literary name
1663
Dilys

Meaning: genuine, steadfast, true

Origin:Welsh
3715
Damica

Meaning: open-spirited, friendly

Origin:French
4234
Deva

Meaning: divine, shining one

Origin:Hindi
1594
Dorinda

Meaning: bountiful gift

Origin:Greek
4288
Delwen

Meaning: pretty and fair

Origin:Welsh invented name
8124
Denim The name Denim is a gender-neutral name. The...
Origin:Word name
5389
Destiny A name of Latin origins, the meaning of Dest...
Origin:Word name
865
Origin:Invented name
6533
Douce

Meaning: gentle, sweet

Origin:French
6664
Dagger Dagger is a lovely name of English origin th...
Origin:Word name
1786