Go Eun-chan is a fictional character from the popular South Korean television drama series Coffee Prince, which aired in 2007. She is portrayed by actress Yoon Eun-hye and is known for her tomboyish appearance and strong personality. Eun-chan disguises herself as a man to secure a job at a coffee shop, leading to various comedic and romantic situations. Throughout the series, Eun-chan develops a close relationship with Choi Han-kyul, played by Gong Yoo, who is unaware of her true identity. The show explores themes of love, gender identity, and societal expectations, making Eun-chan a memorable and relatable character for many viewers.