Singapore participated in the 2011 Southeast Asian Games which was held in the cities of Jakarta and Palembang, Indonesia from 11 November 2011 to 22 November 2011, but with some events commencing from 3 November 2011.

Singapore sent a total contingent of 623 to the 2011 SEA Games: of 417 competitors and 206 officials.

They participated in 34 of the 48 sports in the Games.

[1] No athletes were fielded for Baseball, Chess, Equestrian, Fin swimming, Futsal, Kenpō, Paragliding, Tennis, Volleyball and Vovinam.

Tan Si Lie Pang Toh Jin Loh Tze Rong Vanessa Tan Liu Jie Wendy Cheok Khang Leng Elizabeth Lui Su Lin Ong Chong Soon Michael Kwong Kok Fong Eugene Heng Fook Hup Vinson Tay Han Yuen Shawn Ng Yuqin Kimberly Recurve Individual ( Women's team) Compound Individual, Team (M) Compound Individual (W) Ng Chiew Pang Jazreel Tan Shi Hua Ng Lin Zhi Shayna New Hui Fen Tan Shi Jing Daphne Tan Shi Hua Cherie Jasmine Yeong-Natha