Sam may refer to:
* Sam Kass: Inventor of Rock Paper Scissors Lizard Spock
* Sam Wolowitz: Howard Wolowitz's father
Sam is a name belonging to three different persons:
* Sam Winchester - One of the two main characters.
* Leviathan Sam - A Leviathan who took on Sam's form.
* Sam Winchester imposter - A demon who took on Sam's form.
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