D'deridex
- Full Name: D'deridex
- Species: Romulan
- Gender: Male
- Afflicted with Tuvan syndrome by 2155 (ENT Novel: Beneath the Raptor's Wing)
- Senator; Romulan Senate, Romulan Star Empire (ENT Novel: Beneath the Raptor's Wing)
- Career in the Senate overlapped that of Valdore tr'Irrhaimehn by Beneath the Raptor's Wing
- By 2155: Praetor, Romulan Star Empire (ENT Novel: Kobayashi Maru, Beneath the Raptor's Wing)