Ngan Phan-Koshnitsky (born Phan Huỳnh Băng Ngân; 24 February 1974) is a Vietnamese-Australian chess player holding the title of Woman International Master (WIM).

[2] In the same year, she also competed in the Asian Women's Championship in the Genting Highlands, Malaysia, scoring 6/11.

[3] Phan-Koshnitsky won the Oceania Women's Championship held on the Gold Coast, Queensland in April 2001.

[4][5] She went on to compete in the Women's World Chess Championship 2001 in Moscow, Russia, where she was eliminated in round 1 by Almira Skripchenko.

Phan-Koshnitsky was awarded by FIDE the titles of Woman FIDE Master (WFM) in 1995 and Woman International Master (WIM) in 2001.