- Obaid – Faithful, devoted servant
- Obaidullah – Servant of Allah
- Obaidur – Small servant
- Obaidurrahman – Humble servant of the Merciful
- Obaida – A companion of the Prophet
- Obaidan – Devoted person
- Obaideen – Worshipper, obedient
- Oday – Fighter, warrior
- Omar – Long life, flourishing
- Omair – Intelligent, clever
- Omari – High-born, flourishing
- Omran – Prosperity, long living
- Omeir – Life and long-living
- Omeed – Hope
- Omeyr – Intelligent, life-filled
- Onaib – Intelligent, clever
- Orkhan – Ruler, leader
- Orhan – Great leader, chief
- Osaid – Lion, brave
- Osama – Lion, brave
- Osamah – Courageous like a lion
- Osayd – Brave young lion
- Osmaan – Name of a Prophet’s companion
- Ossama – Lion-hearted
- Othman – Wise, intelligent
- Ousman – Pure, clean
- Owais – A companion of the Prophet
- Owaid – Little servant
- Owaidah – Gentle servant
- Owain – Young warrior
- Owaiz – Helper, supporter
- Ozaan – Light, radiance
- Ozair – Brave, helper
- Ozhaan – Noble, pure
- Ozaal – Dignified, respected
- Ozeir – Prophet’s name
- Ozman – Smart, intelligent
- Ozmaan – Trusted and wise
- Ozhan – Noble soul
- Ozra – Divine light
- Ozraar – Gifted, blessed
- Ozqan – Wise and kind
- Ozyaan – Light of guidance
- Oshair – Pure light
- Osheen – Joyful, happy
- Oshmaan – Righteous, noble
- Oshaan – Royal, respected
- Oshan – Glowing, bright
- Oshar – Gentle, mild
- Owhad – Faithful, loyal
- Owhayd – Servant of religion
- Owhair – Strong, virtuous
- Omaar – Builder, one who gives life
- Omir – Long life, eternal
- Omrane – Building, constructing
- Onays – Affectionate
- Onan – Leader, strong
- Onar – Bright light
- Ondar – Protector, guide
- Onem – Value, worth
- Onur – Honour, dignity
- Orayn – Gentle breeze
- Orayb – Knowledgeable, sharp
- Oran – Strength, light
- Oraynz – Unique, powerful
- Ornayn – Noble and wise
- Orwa – Support, pillar
- Orwah – A companion of the Prophet
- Orain – Pure soul
- Ordan – Guardian, protector
- Orjaan – Precious, rare
- Ormaan – A successful person
- Orzan – Wealthy, bright
- Orsin – Eminent, high status
- Orzain – Distinguished light
- Ormal – Strong protector
- Orzam – Brave leader
- Orsaan – Lion, fearless
- Orik – Bright, luminous
- Ortam – Central, focused
- Orran – Respected, graceful
- Orzil – Gentle and kind
- Orfan – Recognized, well known
- Oseen – Calm, serene
- Osyan – Obedient, wise
- Oshaz – Unique, matchless
- Owzar – Gifted one
- Ozdam – Gentle and brave
- Ozlan – Pure heart
- Ozram – Gift from God
- Oqbah – Name of a great companion
- Oqail – Wise, intelligent
- Orib – Near, close
- Oqran – Respectful
- Ozar – One who shines
- Ozdan – Protector of purity
- Ozfan – Loyal and bright
- Oshwan – Gentle warrior
- Ozmir – Bright intellect
- Ozlin – Unique light
- Ozlem – Longing, desire
- Ozeem – Magnificent, glorious
- Orsal – High-born
- Oril – Glowing and radiant
- Ozraj – True and sincere
- Ormin – Beloved and strong
- Orveen – Gentle-hearted
- Osmin – Intelligent protector
- Ozhaal – Graceful and pure
- Ozheen – Blessed soul
- Ozfaar – Victorious and just
- Ozhanir – Light of peace
- Ozyaanir – Radiance of faith
