| Country: | Taiwan |
| Year: | 2011 |
| Champion: | Uni-President 7-Eleven Lions (4) |
| Champion Manager: | Lu Wen-sheng |
| Champion Games: | 65-3-52, |
| Runnerup: | Lamigo Monkeys (1) |
| Runnerup Manager: | Hung Yi-chung |
| Runnerup Games: | 66-2-52, |
| Date: | October 15–October 20 |
| Mvp: | Wang Ching-ming |
| Moy: | Lu Wen-sheng |
| Television: | Videoland Television Network |
The 2011 Taiwan Series was played by Uni-President 7-Eleven Lions and Lamigo Monkeys, winners of the first and second half-seasons. The Lions won the title of 2011 Taiwan Series four games to one and will represent Taiwan in the 2011 Asia Series.
The Lions and the Monkeys played each other in 40 regular season games, and the Monkeys had the upper hand with 21 wins, 18 losses, and one tied game. The two teams also played each other in the 2006 and 2007 Taiwan Series; the Monkeys defeated the Lions in 2006, but the Lions claimed the title in 2007.
All regular season rules apply with the following exceptions:
October 15, 2011 at Taoyuan International Baseball Stadium, Taoyuan County
October 16, 2011 at Taoyuan International Baseball Stadium, Taoyuan County
October 18, 2011 at Tainan Municipal Baseball Stadium, Tainan City
October 19, 2011 at Tainan Municipal Baseball Stadium, Tainan City
October 20, 2011 at Tainan Municipal Baseball Stadium, Tainan City