Gregory Diasourakis
- Full Name: Gregory Diasourakis
- Born: c.2350 (TNG Novel: Resistance)
- "Thirtyish" as of April 2380 per text
- Species: Human
- Gender: Male
- Multiple commendations by early 2380 (TNG Novel: Resistance)
- March 2380: Security officer, Starfleet; USS Enterprise (TNG Novel: Resistance)