Thaddeus Marik
Thaddeus Marik may refer to:
- Thaddeus Marik (29th c.), the Captain-General of the Free Worlds League during the First Succession War
- Thaddeus Marik (30th c.), the Captain-General of the FWL known for Operation KILLING STROKE
- Thaddeus Marik (32nd c.), the Republic of the Sphere Knight and later Warden-General of the reborn FWL