The 1951 Japan Series was the Nippon Professional Baseball (NPB) championship series for the 1951 season.
It was the second Japan Series and featured the Pacific League champions, the Nankai Hawks, against the Central League champions, the Yomiuri Giants.
CL Yomiuri Giants (4) vs. PL Nankai Hawks (1) Wednesday, October 10, 1951 – 2:02 pm at Osaka Stadium in Osaka, Osaka Prefecture Thursday, October 11, 1951 – 2:01 pm at Osaka Stadium in Osaka, Osaka Prefecture Saturday, October 13, 1951 – 2:00 pm at Korakuen Stadium in Bunkyo, Tokyo Tuesday, October 16, 1951 – 2:00 pm at Korakuen Stadium in Bunkyo, Tokyo Wednesday, October 17, 1951 – 2:03 pm at Korakuen Stadium in Bunkyo, Tokyo