| Event: | Baseball |
| Games: | 1998 Asian Games |
| Venue: | Queen Sirikit Stadium |
| Dates: | 7–16 December 1998 |
| Nations: | 6 |
| Prev: | 1994 |
| Next: | 2002 |
Baseball was one of the many sports which was held at the 1998 Asian Games in Bangkok, Thailand beginning on 7 December 1998.
| P | Preliminary round | ½ | Semifinals | F | Finals |
| Event↓/Date → | 7th Mon | 8th Tue | 9th Wed | 10th Thu | 11th Fri | 12th Sat | 13th Sun | 14th Mon | 15th Tue | 16th Wed | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| P | P | P | P | P | P | ½ | F |
| Men | Baek Jae-ho Chang Young-kyoon Cho In-sung Choi Won-ho Hong Sung-heon Hwang Woo-gu Jin Kab-yong Kang Bong-kyu Kang Chul-min Kang Hyuk Kim Byung-hyun Kim Dong-joo Kim Won-hyong Kyung Hun-ho Lee Byung-kyu Lim Chang-yong Park Chan-ho Park Han-yi Park Jae-hong Seo Jae-weong Shim Jae-hak Shin Myung-chul | valign=top | Shinnosuke Abe Kokichi Akune Mitsutaka Goto Shoji Hirota Tomohiro Iizuka Yoshihiko Kajiyama Satoshi Kashibuchi Timmy Keenan Masahiro Kimura Naoki Matoba Hitoshi Miyata Koji Okumura Yosuke Sunazuka Kinji Tagashira Hisanori Takahashi Kenji Takahashi Hideo Tamura Naoyuki Tateishi Yoshihito Uenaka Michinao Yamamura | Chang Tai-shan Chen Chih-yuan Chen Chin-feng Cheng Chang-ming Chuan Chin-her Chueh Chuang-chen Feng Sheng-hsien Hsu Ming-chieh Huang Chiung-lung Huang Chung-yi Kuo Lee Chien-fu Lin Kun-han Liu Yi-chuan Pan Chung-wei Shen Po-tsang Tsai Wei-ting Tsao Chun-yang Tseng Chih-chen Wang Kuang-huei Wu Chao-hui Wu Chun-liang Yang Sung-hsien |
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| width=40 | Rank | width=180 | Team | width=30 | width=30 | width=30 | |||
|---|---|---|---|---|---|---|---|---|---|
| 6 | 6 | 0 | |||||||
| 6 | 2 | 4 | |||||||
| 6 | 2 | 4 | |||||||
| 4 | 6 | 4 | 2 | ||||||
| 5 | 4 | 1 | 3 | ||||||
| 6 | 4 | 1 | 3 |