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Jenny Byrne (born 25 February 1967) is a former professional tennis player from Australia who turned professional in 1987 and retired from the tour in 1997. Her career-high world rankings were World No. 45 in singles (in 1989) and World No. 27 in doubles (in 1988). Her career prize money totalled US$515,140.
Byrne finished runner-up in the Mixed Doubles competition at Wimbledon in 1989, partnering Mark Kratzmann. In 1992, she won the Women's Tennis Association's 'Comeback Player of the Year' award. As a junior player, Byrne won the Girls' Singles title at the Australian Open and finished runner-up in the Girls' Singles at Wimbledon in 1985.
|Tier IV & V||0|
|Runner-up||1.||14 June 1992||Birmingham, England||Grass||Brenda Schultz||2–6, 2–6|
|Outcome||No.||Date||Tournament||Surface||Partner||Opponents in Final||Score in Final|
|Runner-up||1.||9 January 1994||Brisbane, Australia||Hard||Rachel McQuillan|| Laura Golarsa
|Runner-up||2.||15 January 1994||Hobart, Australia||Hard||Rachel McQuillan|| Linda Wild
|5–7, 6–4, 6–7|
|Runner-up||3.||6 February 1994||Auckland, New Zealand||Hard||Julie Richardson|| Patricia Hy-Boulais
Mixed doubles 1
|Runner-up||1.||1989||Wimbledon, England||Grass||Mark Kratzmann|| Jana Novotná
|4–6, 7–5, 4–6|