Kim Hye-ja (Korean: 김혜자; Hanja: 金惠子; born February 28, 1938), better known by her stage name Patti Kim (Korean: 패티 김), is a South Korean singer. She debuted in 1959 and "ruled the country's entertainment scene" in 1960s and 1970s. She was the first South Korean singer to perform in Japan (following the end of the Japanese occupation of Korea), in Las Vegas, and on The Johnny Carson Show. Kim retired in 2013.