NFN Clark (24th century)
- Full Name: NFN Clark
- Species: Human
- Gender: Male
- By 2357: Commander, Instructor, Starfleet Academy; Hand-to-Hand Combat (TNG Novel: Worf's First Adventure)
- Considered one of the foremost experts in hand-to-hand combat in Starfleet at this point (TNG Novel: Worf's First Adventure)