Surname سيش (Sich 
, سيش) , around the world, is quite a rare cognomen. The family name سيش is characteristic of Czechia, where it is quite a rare surname, North Macedonia, and Zambia, where it is a rare surname. In absolute terms, this name is the most popular in the United States, Czechia, and Germany. Very seldom, سيش is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sich | Czechia, United States, Germany, Poland, Indonesia |