D'deridex
- Full Name: D'deridex
- Species: Romulan
- Gender: Male
- Father praetor immediately prior to D'deridex (ENT Novel: Beneath the Raptor's Wing)
- Afflicted with Tuvan syndrome by 2155 (ENT Novel: Beneath the Raptor's Wing)
- Before c.2090: 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)
- One of a few senators to become Praetor without first having a military position (ENT Novel: Beneath the Raptor's Wing)
- Tenure as Praetor marked in later life by increasingly erratic behavior as a result of neurological degeneration (ENT Novel: Beneath the Raptor's Wing)
- Death: March 15, 2156; skimmer accident (ENT Novel: Beneath the Raptor's Wing)
- Accident the result of covert operations instigated by Valdore tr'Irrhaimehn