Kastiel

Kastiel is a masculine name with ethereal qualities, possibly derived from the angel Castiel in Judeo-Christian angelology. The name gained notable recognition through the character Castiel in the television series 'Supernatural.' The alternative spelling with a 'K' gives it a distinctive edge. Kastiel has a strong, masculine sound combined with mystical undertones, making it appeal to parents drawn to names with spiritual or supernatural associations. Though uncommon in traditional naming records, it has gained modest popularity in recent years among parents seeking unique names with deep symbolic meaning. The name carries connotations of protection and divine guidance, reflecting its angelic origins. Kastiel's combination of strength and spirituality makes it a compelling, if uncommon, choice.

Pronounced KAS-chul.

As of October 2026, Kastiel ranked #6279 for boys in US births in 2025 SSA, peaked at #3779 for boys in 2021.