| Ojal | A name meaning vision or sight. |
| Ojas | Body strength; Brilliance, shine, glow; Lustre; Vitality |
| Ojaswini | One who is very luminous |
| Ojayit | One who is very glorious |
| Olivia | Feminine form of Oliver; of the olive tree; one who is peaceful; Olive; Peace - Of The Olive Tree; 'Twelfth Night', also called 'What You Will' A rich countess.; Variant of Olive: Olive: symbol of peace. |
| Oma | Cedar tree; The color of olive; Commanding; Commander; Life giver; Named for Bona Dea. |
| Omala | Earth or the goddess of earth |
| Omana | A gentle and loving woman |
| Omanand | The joy of the divine sound. |
| Omar | Elevated; An era; A flourishing man; one who is well-spoken; First born son; He that speaks; bitter; Life. Long living.; Long-lived.; Speaker. 12th century Persian poet and astronomer and mathematician Omar Khayyam. Caliph Omar II made Islam an imperial p |
| Omja | Born of cosmic unity |
| Omkar | Religious word OM; The sound of the sacred syllable; Sound of Om, divine, sound |
| Omkarnath | Lord Shiva; Lord of Omkaar, shiva; Shiva |
| Omprakash | Light of God; Light Of Om; Sacred light |
| Omswaroop | Manifestation of divinity |
| Omvati | Sacred, Having the power of Om |
| Onella | Light; Torch Light |
| Oni | Born On Holy Ground; Shelter; Wanted. |
| Oojam | A name meaning joy and spirit. |
| Oorjit | Powerful; Powerful, strong |
| Ophelia | Help. Serpentine. In Shakespeare's 'Hamlet', Ophelia was the lover of Hamlet who went insane as a result of his irrational behavior.; Helper; 'Hamlet, Prince of Denmark' Daughter to Polonius.; One who offers help to others; Serpentine |
| Oppilmani | A gem that has no equal match. |
| Ori | Charitable king; My light; Name of a Charitable King |
| Orion | The huntress; a constellation; A Hunter In Greek Mythology; Son of Fire |
| Orman | Spearman; Sea- man |
| Ottakoothan | Name of a Poet; Poet |
| Oviya | Artist, Beautiful drawing; Like a Beautiful Art |
| Oviyan | An artist or a painter. |
| Paavan | Someone who is very holy. |
| Pachai | Youthful, resourceful |
| Pachaimani | Youthful, resourceful |
| Pachaimuthu | Youthful, resourceful |
| Padma | Goddess; Goddess Lakshmi; Lotus; Lotus flower.; Lotus, Goddess Lakshmi (Padmaja = born from lotus) |
| Padmaj | Born from lotus (Lord, Bramha); Lord Brahama |
| Padmaja | Born from lotus, Lakshmi; Goddess Laxmi; Lakshmi |
| Padmajai | Born from lotus, Lakshmi |
| Padmakali | A blooming lotus flower bud. |
| Padmakshi | One with lotus-like eyes |
| Padmal | One who resembles a lotus flower. |
| Padmalaya | Lake of lotuses |