Cha Hyo-sim

Cha Hyo-sim (Korean: 차효심; Hanja: 車孝心, born 15 July 1994) is a North Korean table tennis player.

In July 2018, she and South Korea's Jang Woo-jin made history when they won the mixed doubles title at the 2018 Korea Open, beating China's Sun Yingsha and Wang Chuqin 3–1 in the final before a huge crowd. It was their first tournament as partners, and the first international event won by an inter-Korean pair.