Ronald Susilo (Chinese: ???; pinyin: Lin Xiang Wen; born June 6, 1979 in Kediri, East Java, Indonesia) is a Singaporean badminton player of Chinese Indonesian descent.
Susilo studied at the Anglo-Chinese School (Independent) for his secondary education under a scholarship.
He speaks English, Indonesian and Malay and understands spoken Chinese.
He joined the Singapore Badminton Association at the age of 19.
In the 2004 Summer Olympics opening ceremony he was the national flag-bearer of Singapore.
Susilo played badminton at the 2004 Summer Olympics in men's singles, defeating number 1 seed Lin Dan of China and Bjรถrn Joppien of Germany in the first two rounds.
In the quarterfinals, Susilo was defeated by Boonsak Ponsana of Thailand 15โ10, 15โ1.
In 2005 and 2007, he won the Singaporean National Badminton Championships.
He represented Singapore at the 2008 Summer Olympics, where he lost to number 2 seed Lee Chong Wei of Malaysia 13โ21, 14โ21 in the men's singles round of 32.