All over the world, Sém (Sém 
, Сэм 
) is a rare gender-neutral forename. The forename Sém is habitual in Kazakhstan, where it is a very rare male name, Egypt, where it is a very rare female name, and Russia, where it is a very rare mostly masculine, but infrequently feminine name. More prevalently, Sém is the last name as well as the forename.
Sém is also a prevalent name for the fictitious and mythical characters: Samuel , the biblical figure, Acts of the Apostles; Samus Aran , the video game character, Super Smash Bros. Brawl; Jon Kent , the son of Superman, Convergence; Sam Winchester , the character from the television series Supernatural and Yosemite Sam , the Warner Bros. cartoon character, Looney Tunes, and in many other works.