Top 500 Baby Boy Names That Start With O 

All parents have different opinions when it comes to naming their babies. Some will be in search of baby boy names that start with O. Some decide by meaning, some look for something unique while many others have a belief in astrological or numerological significance. There are some letters that are common while deciding names while some letters are extremely unique like W, Y, O, J, and B. The names with these letters are less heard of and one of their types. These names can be traditional, unique, different to conventional ones, rare, classy, regal etc. 

Talking about the letter O, some great names that come to mind are Oscar, Oliver, Obama, Om, Ojas, Onish, Oshin etc. The names can be from different cultures but are unique, uncommon, and unusual. Babies whose name begins with O are emotional, daydreamers and highly creative. They have extraordinary qualities and are go-getters. More such qualities of the baby boy names that start with O will be discussed later. A unique name with the letter O makes the baby unique from the rest and is also remembered for this in his circle of friends.

In This Article

• Top 500 Baby Boy Names That Start With  O With Meanings 
• Qualities of Baby Boys Whose Name Start With O 
• Numerological Significance to Name a Baby Boy With O

Top 500 Baby Boy Names That Start With  O With Meanings 

Baby boy names that start with letter O are unique and uncommon. As per astrology, the letter O has a spiritual significance that offers deep insight into the bearer of the name. The baby boy gets a light of guidance that helps him to be just, and brave, and also offers the skills that are necessary to achieve their goals. Given below is a tabular and alphabetical table of baby boy names that start with “O”  across the world.

SL No	Name	Meaning
1	Oak	Strength and solidarity
2	Oalo	Small
3	Oates	Wealth
4	Obadiah	Servant of God
5	Obafemi	The king loves me
6	Obaidullah	Little servant of God
7	Obalesh	Lord Shiva
8	Obaleshwar	One who praises Lord Shiva
9	Obama	Crooked
10	Obasi	In honour of the supreme God
11	Obed	Servant of God
12	Oberon	King of Fairies
13	Obert	Bright and wealthy
14	Obez	One
15	Obi	Heart
16	Obiajulu	The heart is consoled
17	Obie	Being Obedient
18	Obike	A strong household
19	Obrian	Noble
20	Obuli	Name of Hindu God
21	Occhav	Voice
22	Ocean	Sea
23	Oceanus	Of the Ocean
24	Ochchav	Lord
25	Ociel	Heavenly
26	Ocnus	Incompetent
27	Octa	Born in October
28	Octave	Musical notes
29	Octavian	The eighth
30	Octavious	Eighth
31	Octavus	Eighth
32	Octha	Enemy of Arthur
33	Odaka	Apple Flavour
34	Odall	Hill
35	Odam	Son-in law
36	Odan	Cloud
37	Odaniyan	Divine Light
38	Odanodan	Of the Red Earth
39	Odar	Dark
40	Oday	Rise
41	Odbart	Wealthy
42	Oddie	Wealth
43	Ode	Rich
44	Oded	Encourages
45	Odell	Little wealthy one
46	Odessa	Wrathful
47	Odeya	I will thank God
48	Odharnait	Pale
49	Odhavji	Names of Lord Krishna
50	Odhert	Wealthy
51	Odhran	Pale green
52	Odil	Rich
53	Odilio	Fortunate in battle
54	Odilo	Rich
55	Odilon	Fortunate
56	Odin	Head God
57	Odion	Born of the twins
58	Odis	Wealth
59	Odo	Name of a bishop
60	Odohr	Strong
61	Odolf	Prosperous wolf
62	Odran	Pale Green
63	Odulf	Prosperous wolf
64	Odwolf	Wealthy wolf
65	Ody	Name of a king
66	Odysseus	Angry
67	Oedipus	Swollen foot
68	Oengus	One Vigor
69	Ofer	Gold
70	Offa	Spear Strength
71	Offir	Gold
72	Ofir	Ferocious
73	Ogaan	United
74	Ogan	Wave
75	Ogana	United
76	Ogaza	Smart
77	Ogbonna	The image of his father
78	Ogdan	Oak Valley
79	Ogden	From the oak tree valley
80	Ogen	Anchor
81	Ogha	Stream
82	Ogilvie	From the high peak
83	Ogima	Chief
84	Oguz	Arrow
85	Oha	True Knowledge
86	Ohad	Powerful
87	Ohanko	Reckless
88	Ohanzee	Shadow
89	Ohas	Praise
90	Oheen	Chief
91	Ohel	Brightness
92	Ohidur	Charming person
93	Ohileshwar	Shiva
94	Ohio	large river
95	Ohit	Brilliant
96	Ohitekah	Brave
97	Ohitlal	A great person
98	Ohm	Sacred sound in hindu religion
99	Ohndre	Warrior
100	Ohngel	Messenger of God
101	Ohnjel	Messenger of God
102	Ohnrey	Warrior
103	Ohon	Preserve
104	Ohrmazd	Divinity of wisdom
105	Ohtli	Road
106	Oidhche	Night
107	Oighrig	Well spoken
108	Oisin	Divine
109	Oistin	Majestic
110	Ojadh	Lord of Strength
111	Ojai	Moon
112	Ojal	Splendid
113	Ojan	Waves
114	Ojani	justice
115	Ojapati	Master of Power
116	Ojas	Lustre
117	Ojash	Vitality
118	Ojashv	One who has shine
119	Ojasin	Strong and powerful
120	Ojaspati	Expert in power and lustre
121	Ojasvaan	Energetic
122	Ojaswin	Lustrous
123	Ojasya	Radiant
124	Ojayit	Courageous
125	Ojes	Brilliance or glow
126	Ojesh	Light
127	Ojis	Sharp and powerful
128	Ojishth	Most powerful
129	Ojjal	Splendour
130	Ojjaswin	Body strength
131	Ojore	A man of war
132	Okal	Victory
133	Okapi	Mercy
134	Okas	Shelter
135	Okeke	Born on  Eke
136	Okello	Born after the twins
137	Okena	Water Chief
138	Okhil	Brilliant
139	Okoth	Born during the rainy season
140	Okpara	Fifth born son
141	Oksana	Praise to God
142	Okya	Brave
143	Ol	Legendary
144	Ola	Relic
145	Olaniyan	Surrounded by honour
146	Olav	Ancestral heritage
147	Olavi	Family descendant
148	Oldrich	One with power and wealth
149	Ole	Ancestor’s heir
150	Oleg	Holy
151	Oleksander	Defender of humankind
152	Oleksiy	Defender
153	Olexei	Defender of Man
154	Olezka	Holy
155	Oli	Courageous
156	Olin	Ancestors
157	Olindo	Wild fig
158	Olis	Strong and powerful
159	Oliveanthan	Emperor of Light
160	Oliver	Olive tree
161	Oliverio	Affectionate
162	Olivier	From the Olive tree
163	Olivio	Olive tree
164	Olivor	Olive tree
165	Olka	Homeland
166	Olle	Descendant
167	Olley	Olive tree
168	Ollie	Elf army
169	Olorun	Belonging to God
170	Olsen	Son of Olaf
171	Olu	Extraordinary
172	Olubayo	Rejoicing
173	Olufemi	Wealth and honour
174	Olugbala	Saviour of the people
175	Olujimi	God has given this
176	Olushola	God has blessed me
177	Oluwa	Our Lord
178	Oluwatosin	God is worthy of worship
179	Olvaerr	Affectionate
180	Olympio	From Mount Olympus
181	Olyn	Holy
182	Om	Sacred syllable of hindu hymns and prayers
183	Om Prakash	surrounded by divine light
184	Omaansh	sacred symbol of Om
185	Omaditya	Lord of the sun
186	Omaha	Joy
187	Omahara	Welling up of rapture
188	Omaijid	Noble
189	Omair	Intelligent
190	Omais	Love and Affection
191	Omaj	Result of spiritual unity
192	Omal	Soft and tender
193	Omam	Nation
194	Oman	Giver of hope
195	Omanand	Joyful thinker
196	Omanwnakw	Cloud Feather
197	Omar	Prophets’ follower
198	Omari	Flourishing
199	Omarjeet	Lord of Om
200	Omarr	God is the highest
201	Omasvat	Favourable
202	Omav	Avatar of Om
203	Ombeer	Religious warrior
204	Omdearoop	Vishnu
205	Omdutt	Given by God
206	Omeed	Hope
207	Omeet	My Light
208	Omega	Last
209	Omeir	Long living
210	Omeo	Mountains
211	Omer	Speaker
212	Omero	Security
213	Omesa	Lord of Om
214	Omesh	Lord of Om
215	Omeshwar	Lord of Om
216	Omet	Little Eagle
217	Omganesh	Lord Ganapati
218	Omi	Sound of Universe
219	Omio	Rock
220	Omiros	Pledge
221	Omish	Lord of Om
222	Omitabho	Source of Light
223	Omja	Born of cosmic unity
224	Omkar	A sacred sound and letter
225	Omkara	Name of Lord Shiva
226	Omkaramurthy	Attributed to Lord Shiva
227	Omkaranatha	Lord of Om
228	Omkaresh	Attributed to Lord Shiva
229	Omkareshwar	Attributed to Lord Shiva
230	Omkarmurthy	Attributed to Lord Shiva
231	Omkarnath	Shiva
232	Omkesh	It means divine
233	Omkrsih	Attributed to Lord Krishna
234	Ommar	First Born
235	Omna	Virtuous
236	Omol	Priceless
237	Omolf	Son of Armod
238	Omondi	Born early in the morning
239	Omor	Flourising
240	Ompal	Essence of Life
241	Ompati	Master of Om
242	Ompatu	Heart’s desire
243	Omprasad	Offering to the gods
244	Omran	Improvement
245	Omrao	King
246	Omri	God’s servant
247	Omsai	Lord Shiva
248	Omsri	Devotional
249	Omsrikara	God Siva
250	Omswaroop	Manifestation of divinity
251	Omu	God
252	Omveer	Valiant
253	Omya	Life Giving
254	Onain	Vision
255	Ond	Tenth child
256	Ondre	Manly
257	Ondrej	Warrior
258	Ondrus	Manly
259	Oneal	From the chief’s line
260	Onesimo	First born
261	Onfre	Peaceful warrior
262	Onfroi	Peaceful
263	Ongivalarthan	Light of God
264	Oni	Shelter
265	Onik	Soldier
266	Onil	Wind
267	Onille	From the gold town
268	Onindo	Giver of Joy
269	Onir	Shining
270	Onis	Lord of mind
271	Onish	Lord of Mind
272	Onjel	Messenger of God
273	Onkar	God is the only one
274	Onkara	Purest one
275	Onkaran	Purest one
276	Onnan	Mariner
277	Onnesha	Honesty
278	Onni	Happiness
279	Onnjel	Messenger of God
280	Onofre	Peace warrior
281	Onon	Prosperous
282	Onophrio	Defender of Peace
283	Ons	Gladness
284	Onshuda	Chant
285	Onsi	One who removes fears
286	Onslow	From the zealous one’s hill
287	Onund	Son of Viking
288	Onveer	Brave
289	Ony	Eagle
290	Onyebuchi	God is in everything
291	Onyekachi	No one is greater than God
292	Oodaye	Rise
293	Oogan	Enthusiastic
294	Oogharath	Lively
295	Oogharth	Son of Ooghavand
296	Ooghavanth	A king who is praised
297	Oogy	Bubbly
298	Oojwal	Shining
299	Oona	Lamb
300	Oordhwa	Peaceful
301	Oorjit	Strong and energetic
302	Ooyu	Rainbow
303	Opesh	Support
304	Ophion	A serpent
305	Opie	One like God
306	Opinder	Proximity to God
307	Opkar	Beneficience
308	Opparili	Names of Lord Shiva
309	Oppilmani	Purest of gems
310	Opraaj	Lord’s kingdom
311	Opurbo	Beautiful
312	Or	Brilliance
313	Oraib	Intelligent
314	Oraibia	Keen
315	Orain	Most celebrated
316	Oral	Speaker
317	Oram	From the riverbank Enclosure
318	Oran	Irish meaning green
319	Orang	Wisdom
320	Oratio	Prayer
321	Oratun	From the shore farm
322	Orazio	Prayer
323	Orbert	Wealthy
324	Ord	Armed warrior
325	Ordway	Battle
326	Ordwine	Spear friend
327	Oren	Pine tree
328	Orenthal	Fair and pale
329	Oresh	Thankful
330	Oreste	From the mountain
331	Orestes	One who stands as a mountain
332	Orfaan	Knowledge
333	Orhan	Supreme Leader
334	Ori	Charitable king
335	Oriel	Golden
336	Origen	Born
337	Oringo	who likes to hunt
338	Orion	Son of Fire
339	Orjun	Branch of a palm tree that holds dates together
340	Orkhan	Supreme Leader
341	Orko	Violet
342	Orlan	From the pointed hill
343	Orleans	Duke of Orleans
344	Orlege	Sad
345	Orli	You are my light
346	Orlondo	Renowned in the land
347	Orm	Son of Ulf
348	Orma	Free Men
349	Ormand	Seaman
350	Ormazd	Divinity of wisdom
351	Ormerod	Clearing
352	Ormod	Brave Friend
353	Ormond	Mariner
354	Ornette	Little eagle
355	Ornil	Related to Beauty
356	Ornob	Ocean
357	Oro	Gold
358	Oron	Light
359	Orpheus	The darkness of night
360	Orrel	Eagle
361	Orren	Pale
362	Orrick	From the ancient oak tree
363	Orrin	Mountain
364	Orry	God’s peace
365	Orsino	Little Bear
366	Orson	Bear Cub
367	Orsonio	Bear
368	Ortiz	Son of Orti
369	Orton	From the shore farm
370	Orup	Handsome
371	Orush	Thrones
372	Orv	Gold town
373	Orva	Spear Strength
374	Orvell	Gold town
375	Orville	Golden Village
376	Orvin	Brave Friend
377	Orvyn	Divine ruler
378	Orwel	Horizon
379	Ory	Manly one
380	Oryan	Mountain dweller
381	Orz	Proximity to God
382	Osa	Ocean
383	Osaf	Good dancer
384	Osahar	God hears me
385	Osama	Lion
386	Osamu	Ruler
387	Osaze	Favoured by God
388	Osbaldo	Uncertain
389	Osbert	God bright
390	Osborne	Soldier of God
391	Oscar	Champion warrior
392	Oscosh	Bravest of all
393	Osei	Noble
394	Osgood	Divine creator
395	Oshea	God is salvation
396	Oshee	Divine
397	Osher	Happiness
398	Oshin	Flower
399	Osho	Dear
400	Osiel	God is my strength
401	Osip	God shall add
402	Osiris	Powerful
403	Oskari	Leaping warrior
404	Oslow	Meadow beneath the ridge
405	Osman	Son of a snake
406	Osmar	Divinely glorious
407	Osmond	Divine protection
408	Ospak	Brother of Gudrun
409	Osric	Divine ruler
410	Osryd	Divine counsellor
411	Ossian	Fawn
412	Ostein	Happy
413	Ostin	Great
414	Osul	Essential
415	Oswaldo	Divine power
416	Oswalt	Strength from God
417	Oswell	Divinely powerful
418	Oswin	God’s friend
419	Oswiu	Name of a king
420	Ota	Rich
421	Otar	Fright warrior
422	Otello	Wealth
423	Otess	Wealth
424	Othello	God rule
425	Othenio	Give birth by night
426	Othin	God of Sky
427	Othmann	Wealthy
428	Othmar	Happy Fame
429	Othneil	Strength of God
430	Otho	Wealthy
431	Otik	Rich
432	Otis	Wealthy
433	Otkai	High-born
434	Otmar	Famous
435	Oto	Rich
436	Otos	Keen of hearing
437	Otri	Name of a sage
438	Otsinto	Patient
439	Ottakoothan	Poet
440	Ottar	Great wealth
441	Ottfrid	Wealthy peace
442	Ottild	Fortunate
443	Ottokar	Happy Fighter
444	Ottone	Wealth
445	Ottoway	Lucky in war
446	Otus	Keen of hearing
447	Otway	Lucky in war
448	Oudom	Magnificent
449	Oudumber	Vishnu
450	Ouki	Joy
451	Oula	First
452	Ouray	Arrow
453	Oushig	Love and Affection
454	Oushin	Blossom
455	Outram	Wealthy raven
456	Ovadiach	Servant of God
457	Ovais	A companion of Prophet
458	Ovaish	Joy of Love
459	Ove	Ancestors
460	Oved	Worship
461	Overton	From the riverbank town
462	Ovi	Holy message of a marathi Saint
463	Ovidio	Shephard
464	Ovie	King
465	Ovijit	Winner
466	Ovin	Handsome
467	Ovishankar	Giver of prosperity and happiness
468	Ovishkar	Handsome
469	Oviya	A beautiful drawing
470	Oviyan	Artist
471	Owain	Son of Urein
472	Owaisi	Brave, talented
473	Owaiz	God’s companion
474	Owan	God is gracious
475	Owein	Young warrior
476	Owen	Desire born
477	Owiti	Born after a misfortune
478	Owney	Green
479	Owuor	Born after mid-morning
480	Owyn	Young Fighter
481	Oxa	Page
482	Oxley	From the enclosure
483	Oxton	From the farm
484	Oya	Wind warrior goddess
485	Oyintsa	White Duck
486	Oysten	Happy
487	Oz	Divine
488	Ozaafar	Lion
489	Ozan	Turkish
490	Ozer	God’s helper
491	Ozhan	Thrower
492	Ozi	Strong
493	Ozias	Salvation
494	Oziel	Strength of God
495	Ozil	Genuine
496	Ozor	Name of ethnic group
497	Ozur	Son of a mythological character
498	Ozuru	Stock
499	Ozzi	Strong
500	Ozzie	Divine power

Qualities of Baby Boys Whose Name Start With O 

As per numerology, some qualities are inborn for a person whose name starts with O. These can be positive as well as negative. Few such qualities and characteristics are given as under. 

Numerology suggests a correlation between the number 6 and the letter O. This number suggests that people with this number are knowledge seekers and highly intelligent and brainy as well. A few positive traits that are linked with numerology are :

• Responsibility 
• Patience 
• Curiosity 
• Thirst for knowledge 
• Strong determination
• Discipline 
• Obedience 
• Following Rules 
• Honesty and Truthfulness 
• Caring 
• Good business sense 
• Helpful 

The negative qualities of the babies whose name starts with O is that they can get a little dramatic and are stubborn to get their work done.

Numerological Significance To Name A Baby Boy With O

Numerology states that the first letter in a name helps in understanding the strength and capabilities the baby possesses. The positioning of the letters in any name as per numerology can even indicate all obstacles and successes that the baby will have in life. A few other traits are:

• There exists a relationship between numbers and letters as per numerology.
• Every number has its unique features and characteristics.
• The first letter of a baby’s name is the most effective and powerful one. 
• Letter O has strong and positive vibrations.
• Naming the baby with O offers an inner strength that makes the baby brave as well as courageous.
• They have a strong determination and can easily reach their goals.
• They are worthy of being trusted and creating a balance in life.

Thus, a beautiful beginning for the baby can be done by choosing a name that highlights the positive traits. Name is for life, and it even influences the baby so deep and thorough research must be done before deciding on one. Numerology and astrology give a different insight as well so parents can even get a better understanding by referring to these.

Read Also: Indian Baby Boy Names Starting With Cha