Cok Istri Agung Sanistyarani (born 31 December 1994) is an Indonesian karateka. She won the gold medal in the women's kumite 61 kg event at the 2017 Southeast Asian Games held in Kuala Lumpur, Malaysia. She won one of the bronze medals in the women's kumite 55 kg event at the 2018 Asian Games held in Jakarta, Indonesia. She also won multiple medals at both the Islamic Solidarity Games and the Asian Karate Championships.