Gregoria Mariska Tunjung Cahyaningsih (born 11 August 1999) is an Indonesian badminton player in women's singles.[3] She started her career at the badminton club PB Mutiara Cardinal in Bandung, West Java, and was called to the national team in 2013.[4] She was the girls' singles champion at the 2017 World Junior Championships.[5] Tunjung also captained the Indonesia women's team at the 2022 Asia Team Championships, where they emerged champions.[6]