Cognomen Сямён (Semyon 
, Semion 
, Semjon 
) , in the world, is quite a common surname. The surname Сямён is characteristic of Israel, where it is quite a common surname, Moldova, where it is quite a rare surname, and Georgia. Measured by absolute frequency, it is the most numerous in Israel, Nigeria, and Philippines. Also, Сямён is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Semyon | Germany, Russia, Philippines, United States, Israel |
| Semion | Philippines, Moldova, Nigeria, United States, Israel |
| Semjon | Germany, Russia, Philippines, United States, India |
| Сямён | Belarus |
Semen, Semión, Semjons, Senka, Shim'On, Shimon, Siamen, Siamion, Siemion, Simeon, Simeoni, Simeón, Simion, Simo, Simon, Simone, Simono, Simppa, Siméon, Simón, Syamen, Symeon, Symon, Szemjon, Szymon, Šimon, Σιμόν, Συμεών, Зимон, Саймон, Семен, Семеон, Семён, Сенька, Сеня, Симеон, Симион, Симо, Симон, Симона, Симоне, Симоно, Сымон, Сёма, Сімон, Шимон, Шыман, Шымон, סימאון, סימון, שמעון, بيترو, سيمون, شيمون, সাইমন, სემიონი, სიმონი, サイモン, シメオン, シモ, シモン, シモーネ, 西蒙, 西蒙妮, 西門, 西面, and 谢苗