Donald Varley
- Full Name: Donald Varley
- Species: Human
- Gender: Male
- 2320s: Cadet, Starfleet Academy (TNG Novel: The Buried Age)
- Time at the academy overlapped with Jean-Luc Picard
- By 2355: Active in Starfleet (TNG Novel: The Buried Age)
- By 2364: Captain, commanding officer, Starfleet; USS Yamato (TNG Novel: The Buried Age)
- Death: July 31, 2365, USS Yamato; KIA (TNG: "Conspiracy")
- Killed upon the destruction of the USS Yamato by systems failure induced by an Iconian probe (TNG: "Contagion")