Elias Vaughn
- Full Name: Elias A. Vaughn
- Born: 2275, Berengaria VII (TNG Novel: The Battle of Betazed; DS9 Novel: Avatar, Book One, Avatar, Book Two)
- Species: Human
- Gender: Male
- Daughter: Prynn Tenmei
- c.2300: Ensign, Starfleet (DS9 Novel: Demons of Air and Darkness)
- By 2311: Lieutenant, Starfleet (DS9 Novel: Avatar, Book One)
- By February 2375: Commander, field agent, Starfleet; Starfleet Intelligence (TNG Novel: The Battle for Betazed)
- April 2376: Commander, executive officer, Starfleet; Deep Space 9 (DS9 Novel: Avatar, Book Two)
- By 2379: Captain, commanding officer, Starfleet; USS James T. Kirk (DS9 Novel: Gamma: Original Sin)