Son Yeon-jae (born May 28, 1994) is a South Korean individual rhythmic gymnast.
A member of the South Korean national gymnastics team, based in Taereung, Seoul. She is the 2014 Asian Games All-around Champion, the 2010 Asian Games all-around bronze medalist, three-time (2016, 2015, 2013) Asian Championships All-around Champion. She is managed by the IB Sports agency. Son currently trains in Russia. She had her highest placement finishing 4th in the all-around at the 2014 World Championships. She is also a recipient of the Talent Medal of Korea in 2011.