| Name | Meaning |
|---|---|
| Oghe | Horse rider |
| Oghie | King |
| Ogie | King |
| Ogilvy | From the high peak |
| Ogima | Holding the rank of chief |
| Ogle | Word as name, Leer, Stare |
| Ogolu | He came at the right time |
| Ogun | Undaunted |
| Oguz | An arrow |
| Oha | Meditation , true knowledge |
| Ohad | Might |
| Ohan | Chief |
| Ohas | Praise |
| Ohene | A chief |
| Ohev | Lover |
| Ohin | Wanted child, A chief |
| Ohm | It is a sacred sound in Hindu religion. |
| Oisin | Fawn, Gentle |
| Oistin | Much revered |
| Ojas | Lustre |
| Ojay | Brash |
| Ojayit | Courageous |
| Ojes | It means briliance or glow. |
| Oji | One who brings gifts |
| Ojo | He comes of a hard birth |
| Ojore | A warrior |
| Okal | To cross |
| Okan | Horse |
| Okapi | Graceful |
| Oke | A spear of the gods, A friend of deer |
| Okello | Child after twins were born |
| Okie | Man from Oklahoma |
| Oko | Evoker, Charming, Elder of twins |
| Okoh | A charming man, One who provides council |
| Okon | From the darkness |
| Oluf | Ancestor |
| Olujimi | Hand in hand with god |
| Olumide | God has come |
| Olumoi | Blessed by god |
| Olus | Protection of man |
| Oluwa | Believer, Our Lord |
| Olvery | Draws others near |
| Olviemi | Loved by God |
| Olvin | Olive tree |
| Olyn | Filled with happiness |
| Omair | Problem solver |
| Omal | It is a name meaning soft,tender. |
| Oman | Spiritual |
| Omar | Spiritual, The highest, An era |
| Omaree | One who is full of life |
| Omari | One who is full of life, From God the highest |
| Omarr | Long life , first son , most high , the prophet's follower |
| Omary | One who is full of life |
| Omdutt | It means given by God |
| Omeet | My light |
| Omeir | Long living |
| Omen | Faithful |
| Omer | Sheaf |
| Omesa | Lord of om |
| Omesh | Lord of the om |
| Ometz | Strength |
| Omi | A homebody |
| Omir | First-born son |
| Omja | Born of cosmic unity |
| Omkar | A sacred letter and sound |
| Omkesh | It means divine |
| Omkrish | It is attributed to Lord Krishna |
| Ompati | Master of om |
| Omran | Solid structure |
| Omrao | King |
| Omveer | It means ‘valiant’ |
| On | Desirable |
| Onam | Strong |
| Onan | Rich |
| Onani | To look quickly |
| Onaona | Fragrant |
| Ond | The tenth-born child |
| Ondre | Manly, A warrior |
| Ondrej | Masculine |
| Ondrij | Brave |
| Ondro | Manly |
| Oneal | Son of Neil |
| Oneil | It is an Irish surname meaning descendant |
| Onel | Son of Neil |
| Oney | An elderly man |
| Onkar | God, Purest one |
| Onny | Water near ash tree |
| Onufry | Protector of man |
| Onur | Promising boy |
| Onyoka | Who is the greatest? |
| Oojam | Enthusiasm |
| Oorjit | Powerful |
| Oorjith | It means strong, energetic, bubbly |
| Otu | Industrious |
| Otus | The one who is doom |
| Otzar | Treasure |
| Ouni | My help |
| Ouray | Arrow man |
| Ovadia | A form of Obadiah meaning Servant of God |
| Oved | Serving |
| Ovid | A shepherd, An egg |
| Ovidio | Creative |
| Ozel | Strong |
| Ozell | Strong |
| Ozer | Strength, Helper |
| Ozia | God's strength |
| Ozie | Having great strength |
| Oziel | Strong |
| Ozkar | Divine |
| Ozni | Knows God |
| Ozri | My helper |
| Ozseb | A pious man |
| Ozturk | One who is pure, Chaste |
| Ozuru | Stork, Lively hope |
| Ozzie | A familiar form of osborn |
| Ozzy | A familiar form of osborn |
| Oha | Meditation; True knowledge |
| Om | The sacred syllable |
| Omja | Born of cosmic unity |
| Ovi | A holy message of a Marathi saint |