arguably, that honor would have to go to Uhura on the Original Series
It could also be argued that Deanna Troi, Seven of Nine, Jadzia Dax and Captian Janeway are all more famous than Major Kira - as characters if not as actresses.
Jadzia Dax was probably because she was shown to be a connoisseur of men
Leeta appeared in one episode in lingerie too. Also, Chase Masterson was party to the case Carafano v. Metrosplash.com, Inc. that was decided by the United States Court of Appeals for the Ninth Circuit.