Kim Seong-Yeon (Korean: 김성연, born 16 April 1991) is a South Korean judoka.

She won a bronze medal in the –70 kg at the 2013 World Judo Championships.

[1] She lost in the second round of the 2016 Olympics to Israeli Linda Bolder.

[2][3][4] In 2021, she competed in the women's 70 kg event at the 2020 Summer Olympics in Tokyo, Japan.

This biographical article related to South Korean judo is a stub.