Tontowi Ahmad (born 18 July 1987) is a retired Indonesian badminton player. He plays for PB. Djarum, a badminton club in Kudus, Central Java and joined the club in 2005. Tontowi Ahmad rose to prominence in the world badminton in 2010 when he paired with the established mixed doubles star Liliyana Natsir. With Natsir he won the 2016 Olympic gold medal in the mixed doubles category.[2]