Wendy Chaplin was a female Human who lived in the 24th century. In the 2370s, Chaplin held the rank of Lieutenant in Starfleet and was assigned to Starfleet Intelligence.
In 2374, Chaplin, along with Guy Marlow, was assigned to assist Benjamin Sisko and Elim Garak prepare for a Dominion War conference in San Francisco. Chaplin had compiled information on all the Romulan and Klingon delegates and also spent time gathering intelligence from Garak.
Chaplin and Marlow later accompanied Sisko and Garak to the Alpha Centauri embassy in London. (DS9 novel: Hollow Men)