The 1951 Nippon Professional Baseball season was the second season of operation of
Nippon Professional Baseball (NPB). 1951 saw the best season in terms of
winning percentage in NPB history, with the
Nankai Hawks going 72-24-8, good enough for a .750 winning percentage, on their way to their first
Japan Series appearance in franchise history. The
Yomiuri Giants would defeat the Nankai Hawks in the Japan Series 4 games to 1, marking the first of 22
Japan Series championships for the Giants.