Una
- Full Name: Unpronouncable by most non-Illyrians
- Commonly known as: Una
- Born: Illyria Colony
- Species: Human
- Gender: Female
- By 2254: Commander, executive officer, Starfleet; USS Enterprise (TOS: "The Cage"; DIS Novel: Desperate Hours)
- By October 2264: Captain, commanding officer, Starfleet; USS Yorktown (TOS Novel: The Captain's Oath)