Jeong Ga-eun (born Baek Ra-hee on May 21, 1978) is a South Korean actress and clothing retailer who has appeared in several Korean television series such as Rollercoaster and Sunday Sunday Night.

Debuting as a beauty contestant for Miss Gyeongnam Seon of 2001,[2] Jeong began a career in the entertainment industry by serving as the fitting model and face of CJ O Shopping's clothing merchandise.

Soon after, Jeong rose to fame as a TV personality, joining variety show casts such as Sponge 2.0, BEAST Idol Maid, Infinite Girls and Heroes.

She concurrently made several Korean soap operas and commercials including LG's TNGT in 2006 and SK Telecom in 2007.

In July 2009, she joined a situation comedy programme called Rollercoaster of South Korean cable channel tvN, and it boosted her popularity.