| Meaning | hollow, empty, vain |
| Origin | Latin |
| Gender | Boy |
| Popularity | Moderate |
| Length | 7 |
| Syllables | 3 |
| Syllabification | Cas-si-an |
Discover a name that whispers of ancient wisdom while feeling refreshingly modern and vibrant. This striking choice combines literary sophistication with warrior-like strength, creating a compelling package that's hard to resist. The sharp consonants give it backbone, while the flowing middle creates an almost lyrical quality. It's distinctive without being difficult, memorable without being outlandish. Boys with this name often possess a natural charisma and intellectual curiosity that sets them apart from their peers. The name carries an air of mystery and adventure, perfect for a child who will forge his own unique path through life. It works beautifully in both casual and formal settings, transitioning seamlessly from playground to boardroom. The relative rarity of this name in many areas ensures your son will have something truly his own, a gift of individuality wrapped in timeless appeal.
| Connor |
| Caleb |
| Christopher |
| Cameron |
| Charles |
| Calvin |
| Carter |
| Christian |
| Cody |
| Cole |
| Chase |
| Caden |
| Cass |
| Cassie |
| Ian |
| Cash |
| Cassian Harrison | Television executive |
| Cassian Hamilton | Music producer |
| Cassian Cheong | Archbishop of Singapore |
| Cassian Chibu | Nigerian footballer |
| Cassian de Holanda | Brazilian photographer |
| Cassian Crispus | Ancient Roman consul |
| Cassian Edwards | British rower |
| Cassian Elwes | British film producer |
| Cassian Ellis | Australian cricketer |
| Cassian Evans | Welsh cyclist |
| Cassian Schmitt | German handball player |
| Cassian Sniezek | American tennis player |
| Cassian Steele | British mathematician |
| Cassian Wheeler | English actor |
| Cassian Yu | American musician |
| Cassian Zein | Brazilian swimmer |
| Cassian Zimone | American songwriter |
| Cassian Ladislas | French painter |
| Cassian Andor | "Rogue One - A Star Wars Story" |
| Cassian Rail | "The Cruel Prince" by Holly Black |
| Cassian Warrington | "Harry Potter" series by J.K. Rowling |
| Cassian "Cass" Troy | "The Young Elites" series by Marie Lu |
| Cassian Andare | "Saga" comic book series by Brian K. Vaughan |
| Cassian White | "The Infernal Devices" series by Cassandra Clare |
| Cassian "Cass" Neary | "Generation Loss" by Elizabeth Hand |