Marcus Radatz (b. ???? - d. ????) was an officer in the Free Worlds League Military during the late thirtieth and early thirty-first centuries. In 3018 Radatz was the commanding officer of the Perth River Strike Battalion, the third battalion of the First Marik Militia when the battalion took part in a famous battle, the Battle of Skada Ravine.
The Battle of Skada Ravine took place on Megrez, one of the planets on the border between the Free Worlds League and the Lyran Commonwealth. Megrez was a routine garrison assignment for the First, up until the planet was subject to a major assault by the Lyran Commonwealth Armed Forces. Radatz's actions during the battle earned him membership of the Order of the Silver Hand; it also made a hero of Shanna del Ray, one of the officers in the Perth River Strike Battalion, who would go on to succeed Radatz as commander of the Third.
- House Marik (The Free Worlds League), p. 91, "1st Marik Militia"