Jason

Jason may refer to:

Only name given

 * Jason, a companion of the Doctor (SP: Doctor Who: The Ultimate Adventure, ST: Face Value)
 * Jason, DW: The Christmas Invasion
 * Jason, NA: Conundrum and Head Games
 * Jason, NSA: Winner Takes All

First names

 * Jason Kane, (introduced in NA: Death and Diplomacy)
 * Jason McCray, (PDA: Fear Itself)