Jiyai Shin (Korean: 신지애 Shin Ji-ae, [ɕin dʑi.ɛː]; born 28 April 1988) is a former world No. 1 ranked South Korean professional golfer who primarily plays on the LPGA of Japan Tour as of the 2020 golf season. She previously played primarily on the LPGA Tour and the LPGA of Korea Tour (KLPGA). She has broken existing KLPGA records, winning 10 events in 19 starts on the KLPGA Tour in 2007. In 2008, playing only 10 tournaments on the LPGA Tour as a non-member, she won three events, including the Women's British Open and the ADT Championship. She has been ranked No. 1 in the Women's World Golf Rankings for 25 weeks and was the first Asian to be ranked No. 1.