| Country: | Japan |
| Year: | 1971 |
| Champion: | Yomiuri Giants (4) |
| Champion Games: | 70-52-8 |
| Runnerup: | Hankyu Braves (1) |
| Runnerup Games: | 80-39-11 |
| Date: | October 12–17 |
| Mvp: | Toshimitsu Suetsugu (Yomiuri) |
| Fsa: | Hisashi Yamada (Hankyu) |
The 1971 Japan Series was the 22nd edition of Nippon Professional Baseball's postseason championship series. It matched the Central League champion Yomiuri Giants against the Pacific League champion Hankyu Braves. This was the fourth time in five years that the two teams had met in the Japan Series, with the Giants winning all previous matchups. The Giants defeated the Braves in five games to win their seventh consecutive title.
| Game | Score | Date | Location | Attendance | |
|---|---|---|---|---|---|
| 1 | Braves – 1, Giants – 2 | October 12 | Hankyu Nishinomiya Stadium | 23,503[1] | |
| 2 | Braves – 8, Giants – 6 | October 13 | Hankyu Nishinomiya Stadium | 19,914 | |
| 3 | Giants – 3, Braves – 1 | October 15 | Korakuen Stadium | 33,867 | |
| 4 | Giants – 7, Braves – 4 | October 16 | Korakuen Stadium | 42,182 | |
| 5 | Giants – 6, Braves – 1 | October 17 | Korakuen Stadium | 43,467 |