Park Ji Yeon (박지연), professionally known as GUMMY (거미), is a South Korean singer who debuted in 2003 with the album Like Them under YG Entertainment. She has since gained recognition for her notable contributions to various Korean drama soundtracks.

Her notable songs include “눈꽃 (Snowflake)” from the drama That Winter, the Wind Blows, “You Are My Everything” from the internationally popular drama Descendants of the Sun, and “기억해줘요 내 모든 날과 그때를 (Remember Me)” from Hotel Del Luna.