NFN Barnes
- Full Name: NFN Barnes
- Species: Human
- Gender: Male
- By February 2379: Engineer, Starfleet; USS Enterprise (TNG Novel: A Time to Kill)
- Death: February 18, 2379; Mokana Basin, Tezwa (TNG Novel: A Time to Kill)
- Killed by Tezwan sniper following sabotage of Mokana Basin firebase (TNG Novel: A Time to Kill)