East Timor participated at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018.

[2] The following is a list of the number of competitors representing East Timor that participated at the Games: East Timor entered six athletes (3 men's and 3 women's) to participate in the athletics competition at the Games.

[3] East Timor competed in the Group C at the men's football event.

East Timor participated in the karate competition at the Games with five athletes (2 men's and 3 women's).

[8] East Timor entered one women's swimmer to compete at the Games.