At the 2003 Southeast Asian Games edition, Gymnastics was divided into three sub-categories: artistic gymnastics, rhythmic gymnastics, and aerobics. The artistic gymnastics was held from December 5 to December 8, the rhythmic gymnastics from December 9 to December 11, and the aerobics gymnastics on December 12. All events were held at the Quan Ngua Sports Center, in Ha Noi, Vietnam.