Khoo Chung Chiat (born 28 September 1986) is a Malaysian badminton player.
He was part of the Malaysian junior team that won the bronze medal at the 2004 Asian Junior Championships in the boys' team event.
In the senior event, he was the men's doubles champion at the 2007 Singapore Cheers Asian Satellite in the men's doubles event partnered with Chang Hun Pin.
Teamed-up with Mohd Razif Abdul Latif, they finished as the runner-up at the 2006 Sri Lanka Satellite and 2007 Malaysia International tournament.
Khoo played at the 2007 Southeast Asian Games, winning the bronze medal in the men's team event.