Cassien
Cassien is a masculine given name of Latin origin, derived from the Roman family name Cassianus, which itself comes from the cognomen Cassius. The name was introduced to the Christian world through several early saints, the most notable being Saint Cassian of Imola, a 4th‑century martyr venerated in the Roman Catholic and Eastern Orthodox traditions. In French-speaking regions the name appears as Cassien, while the Italian equivalent is Cassiano and the English form is Cassian.
The use of Cassien as a personal name peaked in medieval France, where it was common among
Notable individuals with the name include Cassien Weibel (born 1970), a Swiss linguist known for his work
Geographically, Cassien does not denote a specific location, but the name appears in place‑names derived from