Jian Fang Lay-Hong (Chinese: 洪剑芳; pinyin: Hóng Jiànfāng; born 6 March 1973), is a right-handed Chinese-born Australian ladies table tennis player.

She plays penhold, with a long pimple rubber at one side for use of attacking, blocking as well as chopping.

She also competed with Michelle Bromley and Melissa Tapper in the women's team event but were defeated by Germany 3-0 in the round of 16.

She was selected in the Australian national team in 1994 and participated in the Sydney, Athens, Beijing, London, Rio de Janeiro and Tokyo Olympic Games.

Lay also competed at the 2002, 2006 and 2014 Commonwealth Games, where she took home a total of four silver and three bronze medals.