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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.

Azariah

Meaning: helped by God

Origin:Hebrew
3031
Aurelian The name Aurelian has Latin origins and the ...
Origin:Latin
1043
Alejandro

Meaning: defending men

Origin:Spanish variation of Alexander
1054
Albert

Meaning: noble, bright

Origin:German
218
Atreus

Meaning: fearless

Origin:Greek
1112
Arnie Arnie is of English origin, and the meaning ...
Origin:English
5374
Ali

Meaning: supreme, exalted

Origin:Short form of Alison or Alice or Arabic
2860
Ali

Meaning: supreme, exalted

Origin:Arabic
1280
Ayaan

Meaning: God's Gift

Origin:Arabic
5966
Ayaan

Meaning: God's gift

Origin:Arabic
1815
Origin:Persian mythology name
393
Argo Argo is commonly used as a masculine name of...
Origin:Greek mythology name
939
Abner

Meaning: father of light.

Origin:Hebrew
615
Arnold

Meaning: ruler, strong as an eagle

Origin:English from German
1175
Amaury

Meaning: work power

Origin:French form of Amalric
1522
Alain The meaning of Alain is ‘little rock’. It is...
Origin:French, variation of Alan
2028
Amadeo

Meaning: lover of God

Origin:Italian
2087
Austen

Meaning: venerable

Origin:Shortened form of Augustine
4284
Austen The name Austen is a beautiful gender-neutra...
Origin:Literary surname and shortened form of Augustus
2690
Alexios

Meaning: defending men

Origin:Greek
5033