Sopek
- Full name: Sopek
- Also known as: Ch'uihv of Saith (ENT Novel: The Good That Men Do)
- Species: Vulcan
- Gender: Male
- 2153: Captain, commanding officer, Vulcan Defense Force; Ni'Var (ENT: "Shadows of P'Jem")
- By 2155: Falsified death (ENT Novel: Kobayashi Maru)
- By 2155: Operating undercover as Romulan dissident, leader of the Ejhoi Ormiin (ENT Novel: The Good That Men Do)