The delegation of East Timor for the 2002 Asian Games consisted 15 athletes and 17 officials. João Viegas Carrascalão accompanied the delegation as East Timor's Asian Games chef de mission.
Sport
Total entries
Athletics
2
Boxing
2
Cycling
1
Karate
2
Table tennis
1
Taekwondo
1
Tennis
2
Weightlifting
1
Total
12
Athletics
;Women The sole woman athlete to represent the nation was Mariana Diaz Ximenez, who participated in the marathon. Ximenez finished ninth of the 11 women participants, in this event in which two athletes did not finish the race. The personal best of Ximenez before the event was 2:34:08, but she achieved a time of 3:22:03. ;Men Xavier do Rego participated for East Timor in the marathon and finished 14th out of 15 athletes, with one athlete not finishing the race.
Boxing
East Timor's boxing squad for the Games included two boxers Felix Barreto and Victor Ramos, competing in the flyweight and lightweight classes respectively. Both failed to earn a single point in their respective bouts, and were eliminated in the first round of the event.
East Timor entered two karateka—Antonio de Araújo and Filomeno Soares—into the karate competition in Busan. De Araújo got a bye in the 1stpreliminary round and lost to Hussain Al-Qattan of Kuwait in the quarterfinals, without gaining a single point. Soares eliminated in the first round after losing to Farman Ahmed of Pakistan.
Gil Fernandes competed for East Timor in the −67 kg weight class. He got bye in the first round and lost the pre-quarterfinal match to Pavel Yugay of Uzbekistan after the referee stopped the contest.
Tennis
Two competitors—Antonio Mendes and Matias de Souza—competed for the East Timor in two tennis events in the Geumjeong Tennis Stadium. Mendes lost his first match to Sergei Makashin of Tajikistan, while De Souza reached the second round but lost to Rohan Bopanna of India.
Weightlifting
was the sole competitor for East Timor in weightlifting, competing in the bantamweight class. De Araújo was the first East Timorese at the Olympics, he represented East Timor in the 2000 Summer Olympics in Sydney in the same weight class. In the 2002 Asian Games, his highest successfully lifted weight in snatch was 67.5 kg, out of 65 and 67.5 kg, and in clean and jerk his best was 90 kg, he also tried two failed attempts for 95 and 100 kg. De Araújo finished in 13th place in the final standings with a total of 157.5 kg, least among all the ranked weightlifters.