Murdoc is a fictional character that appears in the ABC television series MacGyver and in the CBS reboot series of the same name. In both portrayals, Murdoc is an assassin and frequent antagonist of both series.

MacGyver is an American action-adventure television series developed by Peter M. Lenkov that ran on CBS from September 23, 2016 to April 30, 2021, comprising five seasons and 94 episodes. The series stars Lucas Till as the title character, an undercover government agent who prefers to fight crime with ingenious feats of engineering rather than lethal force. It is a reboot of the original series of the same name created by Lee David Zlotoff, which aired from 1985 to 1992. CBS cancelled the show in April 2021; the series finale aired on April 30, 2021.