| Colin Cheng | |
| Native Name: | 鄭忻如 |
| Native Name Lang: | zh |
| Birth Name: | Cheng Xinru |
| Birth Date: | 10 September 1989 |
| Birth Place: | Singapore |
| Height: | 175 cm |
| Weight: | 80 kg |
| Classes: | Laser 4.7, Laser Standard |
| Coach: | Brett Beyer |
| Show-Medals: | yes |
| Updated: | 11 June 2016 |
Cheng Xinru (; born 10 September 1989), known as Colin Cheng, is a Singaporean sailor.[1] He has been cited as "the top Asian sailor in the men’s laser standard class".[2]
Cheng won the gold medal at the Laser 4.7 competition at the 2006 Asian Games held in Doha.[3] He switched to Laser class and won the silver medal at the 2010 Asian Games held in Guangzhou, China.
Cheng has resided in New South Wales, Australia since 2010, where he has studied and trained at the University of New South Wales.
Cheng competed at the 2012 Summer Olympics in the men's Laser class, finishing 15th of 49.
In 2014, Cheng competed in the 2014 Asian Games held in Incheon, South Korea and won the bronze medal.
In 2015, he competed in the 2015 SEA Games.[4] In March–April 2016 he finished 13th in the Trofeo Princesa Sofia regatta in Spain and in May 2016 he finished 26th out of 112 in the Laser World Championships in Riviera Nayarit, Mexico. He competed at the 2016 Summer Olympics.