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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.

Arvo

Meaning: value, worth

Origin:Finnish
2761
Aurelio

Meaning: the golden one

Origin:Italian variation of Aurelius
363
Orlando

Meaning: famous throughout the land

Origin:Italian variation of Roland
333
Dario

Meaning: possessing goodness

Origin:Italian variation of Darius
786
Valentino

Meaning: strength, health

Origin:Latin
846
Silvio

Meaning: wood, forest

Origin:Italian, Spanish, and Portuguese form of Silvius
1374
Jago

Meaning: supplanter

Origin:Spanish and Cornish variation of Jacob
602
Ezio

Meaning: eagle

Origin:Italian from Greek
821
Shiloh

Meaning: tranquil

Origin:Biblical place-name, Hebrew
402
Jericho The meaning of Jericho is 'fragrant' or 'cit...
Origin:Biblical place-name
1068
Echo

Meaning: echo or sound

Origin:Greek mythology name
639
Keiko

Meaning: happy child

Origin:Japanese
1508
Marlowe

Meaning: driftwood

Origin:Variation of Marlow, English
565
Lucero

Meaning: light

Origin:Spanish
6571
Calico

Meaning: cotton cloth imported from India; a blotched or spotted animal

Origin:English word name
2310
Cato

Meaning: all-knowing

Origin:Latin
801
Calypso

Meaning: she who hides

Origin:Greek
678
Winslow

Meaning: friend's hill or burial mound

Origin:English
2145
Hero

Meaning: demi-god

Origin:Greek
1512
Cairo The meaning of Cairo is 'victorious one' and...
Origin:Place-name
1889