| Meaning | black gemstone |
| Origin | Greek |
| Gender | gender neutral |
| Opposite gender | Onyx |
| Popularity | Moderate |
| Length | 4 |
| Syllables | 2 |
| Syllabification | On-yx |
Onyx breaks every conventional baby naming rule, and that's precisely what makes it brilliant. This name radiates strength, mystery, and an undeniable cool factor that few names can match. Bold and unapologetic, Onyx makes an immediate impression without requiring explanation or justification. The name carries a modern edge that feels perfectly aligned with contemporary naming trends while maintaining a timeless quality through its connection to the natural world. Onyx works for parents who want their daughter to stand out, to have a name that reflects confidence and individuality from day one.
The single-syllable structure gives it punch and memorability—once heard, never forgotten. It's gender-neutral enough to challenge expectations yet feminine when paired with traditional middle or last names. Onyx suggests depth, rarity, and value, qualities any parent would want associated with their child. The name has literary and artistic associations that add layers of sophistication. For the parent seeking something truly different, something that will make their daughter memorable in every introduction, Onyx delivers with striking elegance and power.
| Onyxx |
| Onix |
| Onixx |
| Oniks |
| Ony |
| Nyx |
| Nixie |
| Oni |
| Nyxie |
| Onyx Herrera | American professional athlete - basketball |
| Onyx Kling | Swedish musician - electronic dance |
| Onyx McLean | Australian actress |
| Onyx Nale | British artist - painting |
| Onyx Ondine | Canadian writer - poetry |
| Onyx Porter | American filmmaker - documentary |
| Onyx Quinn | British fashion designer |
| Onyx Ramirez | Mexican singer - pop |
| Onyx Santos | Filipino actress - drama |
| Onyx Taylor | Canadian scientist - environmental studies |
| Onyx Ueda | Japanese athlete - swimming |
| Onyx Valdez | Spanish entrepreneur |
| Onyx Wallace | Australian chef |
| Onyx Xiong | Chinese musician - classical piano |
| Onyx Yilmaz | Turkish journalist |
| Onyx Zaman | Bangladeshi activist |
| Onyx Aoki | Japanese photographer |
| Onyx Becker | German architect |
| Onyx Delgado | Puerto Rican politician |
| Onyx Haddad | Lebanese entrepreneur |
| Onyx Blackwood | character in a fantasy book series |
| Onyx Darkholme | character in a sci-fi film |
| Onyx Evergreen | character in a young adult novel |
| Onyx Frost | character in a supernatural TV show |
| Onyx Galloway | character in a mystery book |
| Onyx Hale | character in a dystopian novel |
| Onyx Irons | character in a superhero comic |
| Onyx Justice | character in a crime drama series |
| Onyx Knightley | character in an adventure video game |
| Onyx Luna | character in a fantasy role-playing game |
| Onyx Moonstone | character in a romantic fantasy novel |
| Onyx Nightshade | character in a gothic horror story |
| Onyx Orion | character in a space opera series |
| Onyx Phoenix | character in a supernatural romance book |
| Onyx Rainwater | character in a futuristic movie |
| Onyx Shadowfax | character in an animated fantasy film |
| Onyx Stormbringer | character in a steampunk novel |
| Onyx Thornhill | character in a historical fiction book |
| Onyx Valeska | character in a psychological thriller |
| Onyx Wilde | character in a magical realism story |