Starting with letter O
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 101 | Olina | Greek | Light. | F | |
| 102 | Olina | Hawaiian | Joyous. | F | |
| 103 | Olinda | German | Defender of the land. | F | |
| 104 | Olinda | Latin | Fragrant. | F | |
| 105 | Olinda | Spanish | Protector. | F | |
| 106 | Oline | Hawaiian | Joyous. | F | |
| 107 | Olita | English | Winged. | F | |
| 108 | Olithia | Latin | Honest. | F | |
| 109 | Oliva | Latin | Variant of Olive: Olive: symbol of peace. | F | |
| 110 | Olive | Irish | Olive. | F | |
| 111 | Olive | Latin | Symbol of peace. | F | |
| 112 | Oliveria | Spanish | Affectionate. | F | |
| 113 | Olivia | Latin | Variant of Olive: Olive: symbol of peace. | F | |
| 114 | Olivia | Shakespearean | 'Twelfth Night', also called 'What You Will' A rich countess. | F | |
| 115 | Olivia | Spanish | Olive. | F | |
| 116 | Olivia | Swedish | Olive. | F | |
| 117 | Olivie | Latin | Olive. | F | |
| 118 | Ollie | Latin | Diminutive of Olive: Olive: symbol of peace. | F | |
| 119 | Olufemi | Egyptian | Beloved of the gods. | F | |
| 120 | Olwen | Celtic | Mythical daughter of Yspaddaden. | F | |