American Baby Names Starting with O
56
Names Available
Explore our curated collection of authentic American baby names starting with the letter O. Discover verified meanings, cultural heritage, and personality insights to help you choose the perfect name for your child.
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Active Letter: O
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Filtering names starting with 'O'
| Name | Gender | Meaning | Category |
|---|---|---|---|
|
Obi
#8
|
Boy |
Heart, Home
|
American |
|
Octavia
#8
|
Girl |
eighth
|
American |
|
October
#6
|
Boy |
Eighth month, Autumn
|
American |
|
Odakota
#4
|
Boy |
Friend (Sioux), Friendly
|
American |
|
Odalys
#4
|
Girl |
Wealthy
|
American |
|
Odin
#6
|
Boy |
Wisdom, War, Poetry, Knowledge, Leadership
|
American |
|
Odis
#2
|
Boy |
wrathful, angry
|
American |
|
Odysseas
#8
|
Boy |
wrathful, cunning
|
American |
|
Ofelia
#3
|
Girl |
To Help, Aid
|
American |
|
Ogden
#9
|
Boy |
From the Oak Tree Valley
|
American |
|
Olen
#1
|
Boy |
Holy, Ancestor
|
American |
|
Oleta
#8
|
Girl |
olive
|
American |
|
Olexa
#3
|
Girl |
Defender of Mankind
|
American |
|
Oliver
#9
|
Boy |
olive tree
|
American |
|
Ollie
#8
|
Boy |
Olive Tree, Form of Oliver
|
American |
|
Omar
#2
|
Boy |
flourishing, long-lived
|
American |
|
Omari
#2
|
Boy |
God, Highest
|
American |
|
Omega
#5
|
Boy |
last, end, final
|
American |
|
Omer
#6
|
Boy |
Sheaf of grain, barley measure
|
American |
|
Ona
#3
|
Girl |
Grace
|
American |