Jennifer "Jen" Anne Kessy (born July 31, 1977) is a retired American professional beach volleyball player on the AVP Tour.

After signing a six-month contract for about $25,000, Kessy played indoor volleyball professionally under the coaches Gido Vermeulen (head, The Netherlands) and Christine Masel (assistant, DePaul University and University of Illinois) for the USPV Chicago Thunder which finished runners-up (10–8) in the USPV in 2002.

[7][8][9][10][11][12][13][14][15] In November 2002 with the collapse of the USPV, she signed with the team Pinkin de Corozal in Humacao, Puerto Rico, for the 2003 season and finished sixth overall for points in the LVSF.

On July 4, 2009, Kessy and Ross won the FIVB World Championships in Stavanger, Norway, defeating the Brazilians Juliana Felisberta Silva and Larissa Franca.

[20] In the 2012 London Olympics Kessy and Ross finished with the silver medal, when they lost to their fellow countrywomen Misty May-Treanor and Kerri Walsh Jennings in the championship game by the scores of 16-21 and 16–21.