Ruanek
- Full name: Ruanek
- Species: Romulan
- Gender: Male
- Wife: T'Selis (2344 - Present) (TOS Novel: Vulcan's Heart)
- By 2296: Centurion, Romulan Guard; IRW Adamant (TOS Novel: Vulcan's Forge)
- 2344: Defection from the Romulan Star Empire to the Federation (TOS Novel: Vulcan's Heart)
- Resettlement on Vulcan (TOS Novel: Vulcan's Heart)
- By July 2369: Legate; Vulcan (TNG Short Story: "Turncoats")