Tanya Federovna was a female Human who lived in the 24th century. In the 2370s, Federovna was an Ensign in Starfleet and served aboard the USS Agamemnon as a transporter operator.
In 2372, Federovna was briefly romantically involved with Esteban Lopez in the few days Lopez was aboard the Agamemnon before it reached Deep Space 9. Federovna later discovered that Lopez had also been seeing Commander Zina Forrest. (DS9 novel: Saratoga)