Chae Song-oh (born 22 March 1989) is a South Korean fencer. In 2018, she won one of the bronze medals in the women's team foil event at the 2018 Asian Games held in Jakarta, Indonesia. In 2019, she won the silver medal in the women's team foil event at the 2019 Asian Fencing Championships held in Chiba, Japan. She also competed in the women's foil event at the 2019 World Fencing Championships held in Budapest, Hungary without winning a medal. She was eliminated in her first match by Anne Sauer of Germany.