Samuel "Sam" Winchester is a fictional character and one of the two protagonists of the American drama television series Supernatural along with his older brother, Dean. He is portrayed primarily by Jared Padalecki. Other versions of the character have been portrayed by Alex Ferris and Dylan Kingwell (child), Colin Ford (teenager), and Colton James.

Supernatural is an American television series created by Eric Kripke. It was first broadcast on September 13, 2005, on The WB, and subsequently became part of successor network The CW's lineup. Starring Jared Padalecki as Sam Winchester and Jensen Ackles as Dean Winchester, the series follows the two brothers as they hunt demons, ghosts, monsters, and other supernatural beings. The series was produced by Warner Bros. Television, in association with Wonderland Sound and Vision. Along with Kripke, executive producers have been McG, Robert Singer, Phil Sgriccia, Sera Gamble, Jeremy Carver, John Shiban, Ben Edlund, and Adam Glass. Former executive producer and director Kim Manners died during production of the fourth season.