Indonesia was the host nation of 2018 Asian Games held in Jakarta and Palembang from 18 August to 2 September 2018.

Vice President of Indonesia Jusuf Kalla assigned the then-National Police Deputy Chief Commissioner General Syafruddin as chef de mission for the Indonesian contingent.

[4] Indonesia sent a men's team to make its debut in the baseball competition at the Asian Games.

[5] The team were drawn in the group B alongside Hong Kong, South Korea and Chinese Taipei.

Two men's athletes Popo Ario Sejati and Khoiful Muhkib was a national downhill champion, and for the women's athletes Nining Purwaningsih dan Tiara Andini Prastika was a second and third place at the 2017 Asian Mountain Biking Championships in Xuancheng, China.

[23][24] The following is Indonesia's 20-man squad for the men's football tournament of the 2018 Asian Games, officially named on 10 August.

[27] Key: Indonesia entered three jet skiers at the Games, with two gold medals targeted by the government.

[35] Persatuan Rugby Union Indonesia (PRUI) announced its squad of 24 athletes (12 men's and 12 women's) on 6 August.

[36] Based on the squad released by PRUI, Ester Christiani Sitompul replaced by Regina Fetowin.

[37] Head coach: George Dennis Wilson Key: The top four teams will advance to the Final round.

[38] Indonesian Triathlon Federation entered six triathletes (3 men's and 3 women's) to compete at the Games.

Key: Head coach: Milos Sakovic Head coach: Zoran Kontic All Indonesia Weightlifting, Bodybuilding & Powerlifting Association prepared 13 weightlifters (7 men's and 6 women's) including three Olympics medalists to compete at the Games.