Lee Hyo-jung (born 13 January 1981) is a female badminton player from South Korea.

Lee competed for Korea in badminton at the 2004 Summer Olympics in women's doubles with partner Hwang Yu-mi. They had a bye in the first round and defeated Cheng Wen-Hsing and Chien Yu Chin of Thailand in the second. In the quarterfinals, Lee and Hwang lost to Zhao Tingting and Wei Yili of China 8-15, 15-6, 15-13.

Lee also competed in mixed doubles with partner Kim Yong-hyun. They had a bye in the first run and were defeated by Jens Eriksen and Mette Schjoldager of Denmark in the round of 16.