200 Baby Boy Names That Start With O
200 NamesLetter OCoolFor Baby boy
Searching for baby boy names starting with O? This list has 200 beautiful options — from timeless classics to modern picks. Tap any name to copy it instantly.
1
Oral
2
Orval
3
Oleksander
4
Onesimus
5
Ouri
6
Olav
7
Ognyan
8
Otmar
9
Ólafur
10
Oziel
11
Ottomar
12
Osiris
13
Odysseus
14
Osborne
15
Ognen
16
Owain
17
Otgonbayar
18
Óskar
19
Olev
20
Othello
21
Oluwasegun
22
Ödön
23
Ožbalt
24
Obed
25
Orfeo
26
Ottone
27
Orsino
28
Orhan
29
Orazio
30
Ozi
31
Oran
32
Osamu
33
Okeanos
34
Orrell
35
Otso
36
Ozzy
37
Odo
38
Obi
39
Onnophris
40
Ozihel
41
Olukayode
42
Onésime
43
Ossian
44
Onesiphoros
45
Ofrah
46
Oiva
47
Ovid
48
Ofir
49
Olavo
50
Óengus
51
Osbeorn
52
Ohad
53
Osher
54
Ottavio
55
Oluwaseun
56
Orbán
57
Oswald
58
Ori
59
Ove
60
Othniel
61
Ottaviano
62
Odilon
63
Oluwakanyinsola
64
Ollie
65
Oden
66
Onni
67
Olov
68
Ovidiu
69
Olamide
70
Ognian
71
Oghenero
72
Ožbej
73
Orso
74
Orlando
75
Osgar
76
Oriol
77
Octavian
78
Oier
79
Orel
80
Olexiy
81
Omri
82
Oliver
83
Özgür
84
Oluwatoyin
85
Oddo
86
Oleksiy
87
Otávio
88
Ozias
89
Ofra
90
Oluchi
91
Odoacer
92
Onofre
93
Ottó
94
Odin
95
Olufemi
96
Oswin
97
Ortwin
98
Osbourne
99
Oghenekaro
100
Oroitz
101
Opeyemi
102
Oldřich
103
Ochieng
104
Ourias
105
Oved
106
Onuphrius
107
Oli
108
Octavianus
109
Ozan
110
Oles
111
Osbert
112
Oren
113
Olujimi
114
Øivind
115
Ouranos
116
Otieno
117
Olle
118
Otho
119
Onesiphorus
120
Oisín
121
Ottorino
122
Oded
123
Okropir
124
Ormond
125
Oidipous
126
Onisim
127
Ofek
128
Odovacar
129
Øystein
130
Ovídio
131
Olof
132
Ognjen
133
Octavius
134
Öztürk
135
Omran
136
Oddmund
137
Olufunke
138
Or
139
Oliwer
140
Oskars
141
Oleksandr
142
Omer
143
Ørjan
144
Odran
145
Oceanus
146
Orrin
147
Onur
148
Omid
149
Osee
150
Osvaldo
151
Otis
152
Oshea
153
Ole
154
Onouphrios
155
Oluf
156
Odhiambo
157
Oliwier
158
Ognjan
159
Onofrio
160
Ottmar
161
Ortzi
162
Olek
163
Odhrán
164
Ofer
165
Øyvind
166
Odilo
167
Oleg
168
Obrad
169
Olympos
170
Odalric
171
Ode
172
Orville
173
Olympiodoros
174
Ofydd
175
Olanrewaju
176
Ophiuchus
177
Olumide
178
Onesimos
179
Osborn
180
Olabode
181
Ödi
182
Orson
183
Ozzie
184
Ottokar
185
Ormonde
186
Oluwafemi
187
Olavi
188
Ohannes
189
Osku
190
Okoro
191
Orpheus
192
Olegário
193
Ocean
194
Oddr
195
Olaf
196
Osmond
197
Osvald
198
Óscar
199
Orestes
200
Oedipus
Frequently Asked Questions
What are good names starting with O?
This page lists 200 names beginning with the letter O — a mix of timeless classics and fresh modern picks. Tap any name to copy it.
Why do parents choose names by letter?
Many families want names that match siblings, honor a relative initial, or simply love how a letter sounds. Picking a letter first narrows thousands of options into a manageable shortlist.
Are these names popular or rare?
Both. The list blends well-known favorites with uncommon finds, so you can go familiar or stand out — your call.
Can I use these names for characters or pets?
Yes. Letter lists are a favorite trick of authors and game masters for keeping character names consistent and memorable.