Daithan Ruhalter
- Full Name: Daithan Ruhalter
- Species: Human
- Gender: Male
- By 2333: Captain, commanding officer, Starfleet; USS Stargazer (SGR Novel: The Valiant; TNG Novel: Available Light)
- Death: 2333; USS Stargazer (SGR Novel: The Valiant; TNG Novel: Available Light)