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Unique Baby Names Ending In O

Unique baby names ending in O (and the "o" sound) are among the very hottest right now, with the likes of Leo and Theo, Harlow and Margot rocketing up the popularity charts.

But there are still oodles of obscure O-ending names out there, just waiting to be discovered. We've polled our members to bring you 100+ of our website's very favorite unique O-ending baby names, from Amparo and Benno to Yarrow and Zeno.

If you want to see even more baby names ending in O, check out our complete lists of Girl Names Ending in O and Boy Names Ending in O.

If quirky baby names ending in O are your thing, find our full list of rare, uncommon, and unique names ending in o here.

Horatio

Meaning: hour, time

Origin:English variation of Latin Horatius
759
Navarro

Meaning: from Navarre

Origin:Spanish
2897
Pacifico Pacifico is the Spanish variant of the Ameri...
Origin:Spanish
9794
Galileo

Meaning: from Galilee

Origin:Italian
1840
Gennaro

Meaning: January

Origin:Italian
2332
Eliseo

Meaning: God is my salvation

Origin:Italian and Spanish variation of Elisha
1113
Dynamo

Meaning: a forceful energetic individual

Origin:English word name
23279
Sparrow

Meaning: sparrow, a bird

Origin:Nature name
1698
Io Io is a name originally belonging to Greek a...
Origin:Greek mythology name
540
Rosario

Meaning: rosary

Origin:Spanish
4321
Kahlo

Meaning: bald

Origin:German
5524
Lilo

Meaning: generous one

Origin:German, diminutive of Liselotte; Hawaiian
1181
Leto

Meaning: wife or hidden

Origin:Greek mythology name
5098
Thallo

Meaning: bringer of blossoms

Origin:Greek
5203
Hallow Hallow is a name perfect for putting in the ...
Origin:word name
6167
Socorro

Meaning: succour, help, relief

Origin:Spanish and Portuguese
2946
Haruko

Meaning: born in spring

Origin:Japanese
4855
Aldo

Meaning: old and wise

Origin:Italian from German
866
Angelo

Meaning: angel, messenger

Origin:Italian
978
Tycho

Meaning: hitting the mark

Origin:Greek
1612