Agent X

Agent X may refer to:


 * Agent Extensibility Protocol, a standardised framework for extensible Simple Network Management Protocol agents
 * Agent X (Chuck), the codename for the character Alexei Volkoff (Timothy Dalton) on the TV series Chuck
 * Agent X (Marvel Comics), a fictional mercenary whose adventures have been published by Marvel Comics
 * Agent X (1986 video game), a 1986 video game released by Mastertronic
 * Agent X II: The Mad Prof's Back, a 1987 sequel to this game
 * Agent X (TV series), a U.S. TV series for TNT starring Sharon Stone