It is fair to say that choosing the perfect baby name is an exciting but onerous task.
To help make your decision a little easier, we’ve scoured the internet in search of the very best baby names beginning with the letter O. We’ve covered all bases with boy baby names, girl names and unisex baby names with a mix of contemporary, unique and classic baby names that start with the letter O, there are plenty here to get you inspired.
Before we start, here are some of our top tips for choosing the perfect name for your new addition: Pick out your favourites and make a shortlist, use the names daily and see which one sticks. Check the initials. Think about how the name could be shortened and make sure you’re happy with the shortened version or possible nicknames. And finally, consider the meaning of your chosen baby name or seek inspiration from your family tree. Good luck!
11) Omar - Of Arabic origin meaning "life of thriving".
106) Odalis - Of French origin meaning "chambermaid".
117) Ori- Of Hebrew origin meaning "my light".
34) Owain - Of Welsh origin meaning "youth".
50) Odysseia- Of Greek origin, this unique baby name means "wrathful, wandering".
123) Oxford - Of English origin, this popular name means "ford of oxen".
104) October - Of American origin meaning "born in October".
53) Oksanna - Of Ukrainian origin meaning "hospitable".
33) Otto - Of German origin meaning "wealthy".
70) Ona - Of Hebrew origin, this short and sweet baby name means "graceful".
76) Ophelia - Of Greek origin meaning "help".
81) Oriana - Of Celtic origin meaning "blonde".
84) Oriel- Of French origin meaning "bird".
112) Omega - Of Greek origin meaning "the end".
82) Oribella - Of Latin origin, this unique baby name means "beautiful golden child".
63) Olivia - Of Latin origin, this popular baby name means "olive tree".
Argento, Meaning: silvery Origin: Latin ~ View Detail
68) Omorose- Of Egyptian origin meaning "beautiful child".
49) Odina - Of Native American origin meaning "mountain".
Pompey, Meaning: five Origin: Latin ~ View Detail
24) Oscar - Of English origin, this popular baby boy name means "God’s spear".
77) Oprah- Of Hebrew origin meaning "fawn".
118) Oriel - Of Russian origin meaning "eagle".
86) Orlean - Of French origin meaning "golden".
12) Omari - Of African origin meaning "God is the highest".
Quirino, Meaning: a spearman, a warrior Origin: Latin
99) Oak - Of English origin meaning "near the oak trees".
46) Odele - Of German origin, this baby girls name means "wealth".
30) Otten- Of German origin meaning "riches".
75) Opel- Of English origin, this pretty baby girls name means "jewel".
93) Ottilie - Of French origin meaning "prosperous in battle".
10) Olson - Of Scandinavian origin meaning "son of Olaf".
47) Odessa - Of Greek origin meaning "Wrathful".
71) Ondine- Of French origin meaning "wave of water".
52) Offal- Of Celtic origin meaning "mythical sister of Ove".
21) Orville - Of French origin meaning "Gold town".
18) Orson - Of Latin origin meaning "bear".
111) Oli- Of German origin meaning "elf warrior".
85) Orlantha - Of Teutonic origin meaning "renowned fame".
15) Oris- Of Hebrew origin meaning "tree".
48) Odette- Of French origin meaning "variant of Odelia".
Balbo, Meaning: mutterer Origin: Latin
14) Oren - Of Gaelic origin meaning "pale-skinned".
66) Olympia - Of Greek origin meaning "from mount Olympus, home to the Gods".
58) Olette - Of Latin origin meaning "small winged one".
13) Omarion - Of American origin meaning "combination of Omar and -ion"
9) Ollie - Of English origin meaning "elf warrior".
27) Osmo - Of Finnish origin meaning "young man".
108) Ofra - Of Hebrew origin meaning "young deer".
102) Ocean - Of Greek origin meaning "sea".
83) Orida - Of Native American origin meaning "expected one".
36) Owley - Of English origin meaning "from the ox enclosure".
120) Ove - Of Celtic origin meaning "mythical daughter of Dearg".
2) Obi- Of African origin meaning "heart".
38) Ozur- Of Norse origin meaning "son of Thorleif".
Fortney, Meaning: strong one Origin: Latin
28) Osmond - Of English origin, this classic baby boy name means "divine protector".
105) Oda - Of Norse origin meaning "point".
64) Olivie- Of Latin origin meaning "olive".
89) Orsa- Of Italian origin meaning "little female bear".
96) Owena- Of Welsh origin meaning "noble-born".
119) Orion - Of Greek origin meaning "boundary".
91) Ossi - Of German origin meaning "divine power".
29) Oswin - Of English origin meaning "God’s friend".
87) Orlena - Of French origin meaning "gold".
114) Opal - Of Hebrew origin meaning "treasured jewel".
Proctor, Meaning: official, administrator Origin: Latin
61) Olita - Of English origin meaning "winged".
101) Oba - Of African origin meaning "river goddess".
115) Orland- Of German origin meaning "renowned in the land".
19) Orlando- Of Spanish origin meaning "the fame of the land".
25) Osias - Of Hebrew origin meaning "salvation".
Morrie, Origin: Latin, diminutive of Maurice
45) Odelia - Of French origin meaning "wealthy, prosperous".
35) Owen- Of Welsh origin meaning "noble born".
116) Orleans - Of French origin meaning "blessed with the gift of gold".
67) Oma- Of Arabic origin meaning "mother, people, nation".
1) Obama - Of African origin, this popular baby boy name means "crooked".
109) Ohio - Of Native American origin meaning "large river".
41) Oba - Of African origin meaning "river goddess".
Sergeant, Meaning: to serve Origin: Latin
110) Ola- Of Scandinavian origin meaning "ancestors relic".
122) Osvaldo - Of Spanish origin meaning "God rule".
94) Otylia - Of German origin meaning "prosperous".
4) Octavio - Of Latin origin meaning "eighth".
100) Oakley - Of English origin, this popular baby name means "meadow of oak trees".
55) Olabisi - Of African origin meaning "joy multiplied".
Monico, Meaning: advisor Origin: Male variation of Monica, Latin
103) Octavia - Of Italian origin meaning "eighth".
80) Oria - Of Latin origin meaning "golden".
16) Orley - Of German origin meaning "famous country".
97) Ozara- Of Hebrew origin meaning "treasure, wealth".
62) Olive - Of Irish origin meaning "olive".
79) Orchid- Of Greek origin meaning "orchid flower".
5) Octavius- Of Latin origin, this baby boy name means "eighth".
98) Ozette- Of American origin, this unique baby name means "deep lake".
95) Ove - Of Scandinavian origin meaning "edge".
7) Odin- Of Norse origin meaning "a chief deity of Norse mythology".
Sarto, Meaning: mender Origin: Latin
6) Odell- Of English origin meaning "start of the valley".
54) Ola - Of Hawaiian origin meaning "life".
31) Othello- Of Hebrew origin, this classic baby name means "he has the sound of God".
65) Olivette - Of Latin origin meaning "olive tree".
17) Orpheus - Of Greek origin meaning "the darkness of night".
69) Omyra- Of Latin origin meaning "myrrh".
51) Ohanna- Of Hebrew origin meaning "gracious gift of God".
107) Ode- Of African origin meaning "born on the road".
43) Octavia - Of Latin origin meaning "eighth".
56) Olga- Of German origin meaning "blessed, holy".
59) Oliana - Of Hawaiian origin meaning "variant of Oleander".
78) Oralee - Of Hebrew origin meaning "the lord is my light".
113) Onyx- Of Greek origin meaning "claw".
26) Osman- Of Scandinavian origin meaning "God’s protection".
22) Osaka- Of Japanese origin, this unique baby boy name means "greatest prize".
40) Oana- Of Romanian origin meaning "God is gracious".
121) Orville- Of French origin meaning "from the gold town".
20) Orton- Of English origin meaning "from the shore settlement".
Paine, Meaning: villager, country-dweller Origin: Latin
37) Oz - Of Hebrew origin, this unique baby boy name means "powerful, courageous".
3) Obie - Of English origin meaning "inspiration".
44) Ode - Of African origin, this baby girl name means "born on the road".
72) Onaiwah - Of Native American origin meaning "Awake, alert".
90) Orzora - Of Hebrew origin meaning "God’s strength".
23) Osbourne- Of English origin meaning "bear God".
Fidelis, Origin: Latin
92) Orva - Of English origin meaning "brave friend".
73) Oona - Of Irish origin meaning "lamb".
8) Oliver - Of English origin, this classic baby boy name means "peaceful".
57) Olena- Of Greek origin meaning "shining light".
42) Oceana - Of Greek origin, this beautiful baby name means "feminine form of Oceanus".
32) Otis- Of German origin meaning "Wealth; son of Otto".
88) Orna- Of Irish origin, this sweet baby name means "little green one".
74) Opa - Of Native American origin meaning "owl".
Gemini, Meaning: twins Origin: Latin
