Shannon Marik (born ???? - died 2593) was the youngest daughter of Albert Marik and the sister of Marion Marik and Reginald Marik. Like her siblings Shannon served in the Free Worlds League Military and was killed on Port Fallon during the Reunification War. Both Shannon and her brother Reginald were killed whilst serving as a part of the Star League campaign to conquer the Taurian Concordat. Before her death in action Shannon often served as deputy and assistant to Marion.
- Historical: Reunification War, p. 53, "Marion Marik"
- Historical: Reunification War, p. 105, "Mopping Up (2584-2588)"
- Historical: Reunification War, p. 37, "Command Structure of the FWLM"