Gregory Quinn
- Full Name: Gregory Quinn
- Born: Before 2260 (TNG Short Story: "Meet With Triumph and Disaster")
- "Easily over a hundred years old" as of 2363 by text
- Species: Human
- Gender: Male
- September 2358: Admiral, Superintendent of the Academy, Starfleet; Starfleet Academy (Novel: Articles of the Federation)
- By 2360: Admiral, commanding officer, Starfleet; Starbase 20 (TNG Novel: The Buried Age)
- By 2363: Admiral, chief, Starfleet Deep Space Exploratory Corps, Starfleet; Starfleet Command (TNG Short Story: "Meet With Triumph and Disaster"; TNG: "Coming of Age", "Conspiracy")
- Victim of 2364 bluegill conspiracy (TNG: "Conspiracy")
- By 2380: Retired (Novel: Articles of the Federation)
- By 2380: Author, Knowledge Isn't Always Power: My Life Among the Stars (Novel: Articles of the Federation)