Stefanie Li Yun Tan (born 16 September 1992[1]) is a Singaporean former professional tennis player.

In her career, she won two singles and two doubles titles on the ITF Women's Circuit.

On 10 June, Tan partnered Kazakhstan's Kamila Kerimbayeva and won the doubles title at the Baku Cup Futures 3 tournament.

[2] In the 2017 Southeast Asian Games, Tan claimed the bronze medal in the women's singles tournament, beating Malaysia's Jawairiah Noordin and Vietnam's Tran Thuy Thanh Truc before falling to eventual gold medalist Luksika Kumkhum of Thailand.

[3][4] In the women's doubles tournament, she partnered Charmaine Shi Yi Seah but they lost in their opener.