| Lyyri | Derived from the musical lyre instrument. |
| Lyyska | A name meaning a thin, flat stone slab. |
| Lyytikka | A name meaning a small, musical sound. |
| Lyytikki | A name meaning a sweet, melodic song. |
| Lyz | Brightness, Ornament, Honourable |
| Lyzabeth | A short form of elizabeth |
| Oadirah | A Powerful Woman |
| Oafiqa | A name meaning wise and learned. |
| Oalisa | A noble and kindhearted person. |
| Oayth | One who keeps a sacred promise. |
| Obaida | A faithful servant of the Lord. |
| Obdulia | Servant of Allah |
| Obdyne | A strong and resilient spirit. |
| Oberto | Noble and Bright |
| Obinta | A child born during the night. |
| Obulamma | A gift from the divine source. |
| Occa | One who brings peace and order. |
| Oceania | Loves the Ocean |
| Ocilia | A person with keen, sharp vision. |
| Ockvilly | A dweller of the rocky meadow. |
| Odierna | One who lives for the day ahead. |
| Odierne | A name meaning wealthy or rich. |
| Odine | Derived from the word for valley. |
| Odolina | A name meaning wealthy protector. |
| Offede | A name meaning peace or harmony. |
| Ofilia | A name meaning helpful or useful. |
| Ofri | A name meaning my fruit or yield. |
| Ohda | Responsibility, Trusteeship |
| Ohi | A name meaning to be very joyful. |
| Ohileshwari | A name meaning goddess of joy. |
| Ohto | A name meaning a bear or strength. |
| Oiddii | A name meaning a small treasure. |
| Oilie | A variant of Olive, meaning peace. |
| Oisha | Derived from Sanskrit, meaning life. |
| Oishiki | A unique name meaning divine light. |
| Oishini | Goddess Lakshmi |
| Oishree | A name meaning beautiful goddess. |
| Oissine | Derived from Gaelic, meaning fawn. |
| Oivi | A Finnish name meaning a gift. |
| Oivikki | A name meaning a precious gift. |