Surname קסיאן (Cassian 
, קסיאן 
) , all around the world, is quite a rare cognomen. The surname קסיאן is characteristic of Tanzania, where it is quite a rare surname, Cameroon, where it is a rare surname, and Israel. Measured by absolute frequency, it most frequently occurs in Tanzania, Cameroon, and Mexico. Also, קסיאן is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cassian | Zimbabwe, Sri Lanka, Kenya, Tanzania, Cameroon |
| קסיאן | Israel |