| Country: | Japan |
| Year: | 1965 |
| Champion: | Yomiuri Giants (4) |
| Champion Games: | 91 - 47 - 2, .659, GA: 13 |
| Runnerup: | Nankai Hawks (1) |
| Runnerup Games: | 88 - 49 - 3, .642, GA: 12 |
| Date: | October 30 – November 5 |
| Mvp: | Shigeo Nagashima (YOM) |
| Fsa: | Nobuyasu Morishita (NAN) |
The 1965 Japan Series was the Nippon Professional Baseball (NPB) championship series for the 1965 season. It was the 16th Japan Series and featured the Pacific League champions, the Nankai Hawks, against the Central League champions, the Yomiuri Giants.
Saturday, October 30, 1965 – 1:00 pm at Osaka Stadium in Osaka, Osaka Prefecture[1]