Ri Myong-sun (Korean pronunciation: [ɾi.mjʌŋ.sun]; born 26 January 1992) is a North Korean table tennis player.

She competed for North Korea at the 2012 Summer Olympics.

[3] She went on to compete for North Korea again at the 2016 Summer Olympics, where she beat Petrissa Solja of Germany in the third round of the women's singles.

At both competitions, she competed in the women's singles and the women's team events.

This biographical article relating to a North Korean table tennis figure is a stub.