Jessica Hardy is an Australian media and radio personality, and former reality television contestant who became best known on television franchise Big Brother in 2002, known to the public simply as Jess, as a housemate she became well known during her time in the Gold Coast compound for her relationship and later subsequent marriage with Nathan Martin, better known as Marty, after the series ended. Their marriage was televised in the series Marty and Jess: An Outback Wedding. They are now divorced.

She was a contestant in channel 7's "The Mole" in 2001, however she was eliminated along with five other contestants in a twist in the very first episode.