| Meaning | shield of God, my cover is God |
| Origin | Hebrew |
| Gender | Boy |
| Popularity | Moderate |
| Length | 7 |
| Syllables | 3 |
| Syllabification | Cas-ti-el |
A name wrapped in mystique and celestial imagery, evoking both ancient wisdom and contemporary coolness. The literary and pop culture connections add layers of depth and recognition, particularly among those familiar with angelic hierarchies and modern storytelling. This choice speaks to parents who value names with narrative weight and symbolic resonance. The soft beginning transitions into a strong finish, creating a melodic quality that's pleasing to the ear. It's a name that invites curiosity and admiration, often prompting questions about its selection and significance. Boys with this name inherit a sense of otherworldliness combined with approachability, as the sound itself balances ethereal qualities with earthbound practicality. The nickname possibilities range from casual to formal, adapting seamlessly to different social contexts. For families drawn to names that tell stories and spark imagination, this represents an inspired choice that honors both heritage and innovation.
| Castiell |
| Castielo |
| Kastiel |
| Connor |
| Caleb |
| Christopher |
| Cameron |
| Charles |
| Calvin |
| Carter |
| Christian |
| Cody |
| Cole |
| Chase |
| Caden |
| Cas |
| Casti |
| Cast |
| Tiel |
| Cassie |
| Castiel Novak | American politician and former state representative |
| Castiel Davenport | British musician and lead vocalist of a rock band |
| Castiel Landon | Australian author and poet |
| Castiel McIntosh | Canadian entrepreneur and philanthropist |
| Castiel Roberts | Irish painter and visual artist |
| Castiel Johnson | South African humanitarian and activist |
| Castiel Chen | Taiwanese chef and restaurateur |
| Castiel Wong | Hong Kong filmmaker and director |
| Castiel Patel | Indian scientist and researcher |
| Castiel Khan | Pakistani musician and composer |
| Castiel González | Mexican architect and urban planner |
| Castiel Lima | Brazilian athlete and Olympic medalist |
| Castiel Romero | Spanish fashion designer |
| Castiel Moreau | French journalist and media personality |
| Castiel Müller | German environmentalist and conservationist |
| Castiel Sato | Japanese entrepreneur and tech innovator |
| Castiel Park | South Korean actor and model |
| Castiel Winchester | A character from the webcomic "The Property of Hate" |