Natasha Stolovitzky (or Stolovitsky) was a Starfleet security officer serving in the late 24th century. As an ensign, she served on Deep Space 3 and USS Andromeda, the latter under Lieutenant Zelik Leybenzon. In mid-2380, she transferred with Leybenzon to the USS Enterprise-E as his deputy. She was also a brown belt in the martial arts class taught by Leybenzon.
By 2380, she and Leybenzon had transferred off the Enterprise.
In an alternate reality, Stolovitzky was a professional writer, who had written travel books for an editor named Thea, and was working on a novel featuring a protagonist named Nyzik. She shared a house with her brother, Sebastian. (TNG novel: Q & A)