Yeo Woon-kay (sometimes spelled as Yeo Woon-gye) was a South Korean actress and TV personality. Yeo is best known for starring in My Name is Kim Sam Soon (2005), Bad Family (2006), and Money's Warfare (2007). She first became a professional actress in 1962 with a theater troup.
She started acting since high school. She later on attended Korea University, majoring in Literature.
Yeo was diagnosed with kidney cancer in 2007, but still continued her work until the cancer spread to her lungs, causing pneumonia. She died on May 22, 2009.