Jang Hye-ji (born August 7, 1997) is a South Korean curler.

[3] In February 2016, she formed Korea's first mixed doubles national team together with Lee Ki-jeong.

At the 2016 World Mixed Doubles Curling Championship, the team made it to the round of 16, where they lost.

[5] Jang played in the mixed doubles tournament at the 2018 Winter Olympics with Lee.

On February 8, she played the Finnish team in the first game of the preliminary round and defeated them 9–4, with Finland conceding after 7 ends.