|For the robotic version of Frederick Sloan, see Mister X.|
|Aliases:||The Six Million Dollar Man|
|Series:||The Six Million Dollar Man|
|First:||"Day of the Robot"|
Major Frederick W. Sloan is a fictional military officer and a one-shot character featured in the 1974 sci-fi/action series The Six Million Dollar Man. Played by actor John Saxon, he appeared in the fourth episode of season one, "Day of the Robot".