Stefan Salvatore is a fictional character and one of the two main protagonists from L. J. Smith's novel series The Vampire Diaries. He is portrayed by Paul Wesley in the television series CW's The Vampire Diaries and The Originals. Stefan grew up in the town of Mystic Falls, Virginia. He grew up next to his brother, Damon Salvatore, his father, Giuseppe Salvatore and at the start of his life grew up with his mother, Lillian Salvatore before supposedly died of consumption, later revealing that she faked her own death and lived as a vampire in secret. As Stefan grew up, he was known as the good child in the family, unlike his brother, Damon Salvatore, who had a knack for trouble. As Stefan and Damon grew up, both boys grew to not like their father because of his abusive ways. Damon Salvatore joined the army, and Stefan was left to live with his father for a couple of months. Once Damon came back, the two were turned into vampires in 1864, in the town of Mystic Falls at the age of 17, by Katerina Petrova, who both brothers loved immensely.

The Vampire Diaries is a young adult vampire fiction series of novels created by American author L. J. Smith. The story centers on Stefan Salvatore, a vampire, and his life.