Ronald Susilo (Chinese: 林香文; pinyin: Lín Xiāng Wén; born 6 June 1979) is a Singaporean former badminton player.

During the 2004 Summer Olympics, Susilo defeated number 1 seed Lin Dan of China and Björn Joppien of Germany in the first two rounds.

Susilo represented Singapore at the 2008 Summer Olympics, where he lost to number 2 seed Lee Chong Wei of Malaysia 13–21, 14–21 in the men's singles round of 32.

A series of injuries and operations to his shoulder, Achilles heel and elbow from 2004 to 2007 saw Susilo retiring from the sport in 2010, ending a 12-year career.

[4] They began dating after participating together in the Athens Olympics, and the "golden sports couple",[5] as they were dubbed by the media, announced their engagement in September 2004.