Last name Sidem (Sidem 
) , globally, is quite a rare surname. The cognomen Sidem is habitual in India, where it is a very rare surname, Indonesia, and France. Very seldom, Sidem is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sidem | France, Indonesia, Turkey, India, Spain |
| odile sidem-poulain French local politician and lawyer, FR (b. 1941) |
|