Family name كاشيان (Cassian 
, Kashian 
, كاشيان ) , throughout the world, is quite a rare surname. The surname كاشيان is characteristic of Tanzania, where it is quite a rare surname, Iran, where it is a rare surname, and Cameroon. In absolute terms, it is the most numerous in Tanzania, Iran, and the United States. Also, كاشيان is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cassian | Kenya, United States, Tanzania, Zimbabwe, Sri Lanka |
| Kashian | Iran, United States, Pakistan, India, Australia |
| كاشيان | Iran |