Rony Agustinus (born 7 October 1978) is an Indonesian former badminton player, who now works as a badminton coach. As a junior player, he represented his country at the 1996 World Junior Championships and won the bronze medal in the boys' singles event. In 1997, he finished as a semi-finalist at the French and Indonesia International tournaments. He took the silver medal at the 2000 Asian Championships but was defeated by his teammate Taufik Hidayat in the final. In 2001, he reached the final of the 2001 Malaysia Open as an unseeded player, defeating a former All England champion Pullela Gopichand of India, his compatriot Hendrawan, the world champion, Park Tae-sang of South Korea, and Chen Hong of China en route to the final. He failed to win the title after he lost to host player Ong Ewe