NFN Shannon
- Full Name: NFN Shannon
- Species: Human
- Gender: Male
- By 2242: Captain, commanding officer, Starfleet; USS Endeavour (TOS Novel: Errand of Vengeance: Killing Blow)
- Death: 2242; USS Endeavour (TOS Novel: Errand of Vengeance: Killing Blow)
- Killed in Battle of Donatu V (TOS Novel: Errand of Vengeance: Killing Blow)