Ryan Choi Chun Yin (Chinese: 蔡俊彥; Jyutping: coi3 zeon3 jin6); born 9 October 1997) is a Hong Kong fencer.

[1] He competed in the men's team foil event at the 2020 Summer Olympics.

[2]

This biographical article related to fencing in Hong Kong is a stub.

You can help Wikipedia by expanding it.