'''Sam''' may refer to
*Sam Anderson, actor (Bernard)
*Sam Austen, Kate's nonbiological father
*Sam Hicks, member on the Hanso Foundation Board of Directors
*Sam Jarrah, Sayid's nephew
*Sam Thomas, protagonist of the ARG ''Find 815''
*Sam Toomey, who worked at the listening post with Leonard Simms
*Samm Levine, guest star (clerk in "Everybody Loves Hugo")
'''Sammi''' or '''Sami''' may refer to
*Sammi Davis, guest actor (Megan Pace)
*Sami, flashback character from "Enter 77"
'''Samantha''' may refer to
*Samantha Mathis, guest actor (Olivia Goodspeed)