| Event: | Basketball |
| Games: | 1998 Asian Games |
| Venue: | Thammasat Gymnasium 1 Suphan Buri Provincial Gymnasium |
| Date: | 8–19 December 1998 |
| Nations: | 12 |
| Prev: | 1994 |
| Next: | 2002 |
Basketball was one of the many sports which was held at the 1998 Asian Games in Bangkok, Thailand between 8 December and 19 December 1998. China again swept all their assignments en route to their 5th title in the men's tournament, while Japan notched their 2nd title after thrashing China in the women's final.
| Men | Fan Bin Gong Xiaobin Hu Weidong Li Nan Li Xiaoyong Liu Qiang Liu Yudong Mengke Bateer Sun Jun Wang Zhizhi Zhang Jingsong Zhang Wenqi | Cho Sang-hyun Choo Seung-gyun Hyun Joo-yup Jung Jae-kun Kang Dong-hee Kim Byong-chul Kim Joo-sung Kim Sung-chul Lee Eun-ho Lee Sang-min Moon Kyung-eun Seo Jang-hoon | Johnny Abarrientos Marlou Aquino Allan Caidic Kenneth Duremdes Dennis Espino E. J. Feihl Jojo Lastimosa Jun Limpot Vergel Meneses Alvin Patrimonio Olsen Racela Andy Seigle | |
| Women | Noriko Hamaguchi Rie Hattori Kaori Kawakami Satomi Miki Mutsuko Nagata Akemi Okazato Taeko Oyama Chisako Shimada Yuko Tsukahara Kagari Yamada Kumiko Yamada Mayumi Yoshiyama | Chen Bin Sui Feifei Jiang Xu Liu Yuexiu Ma Chengqing Ma Zongqing Miao Bo Miao Lijie Pan Wei Wang Fuying Wang Ling Zheng Dongmei | Cho Hey-jin Chun Joo-weon Hong Jung-ae Jang Sun-hyoung Jung Sun-min Kim Ji-yoon Kim Kwe-ryong Lee Eun-young Lee Jong-ae Park Jung-eun Yang Hee-youn Yoo Young-joo |