List of Yomiuri Giants seasons

The Yomiuri Giants are a professional baseball team based in Tokyo. Also known as Kyojin, the Giants play in the Central League of Nippon Professional Baseball. The team started play in 1934 as a team of all-stars named the Great Japan Tokyo Baseball Club, which was organized by media mogul Matsutarō Shōriki that toured the United States. In 1936, with the formation of the Japanese Baseball League, the team, now known as the Tokyo Giants, began play. They rebranded to Tokyo Kyojin in 1941 before changing their name to their current form in 1947. The Giants won nine JBL championships from 1936 to 1949.

Since the formation of NPB in 1950, in their 76 seasons, the franchise has won 22 Japan Series championships, the most of any NPB team and 9 more than the second-place Saitama Seibu Lions. They have finished first place in the Central League 39 times and have competed in the Japan Series 36 times. The Giants have played home at Tokyo Dome since 1988.

• ^a This is determined by calculating the difference in wins plus the difference in losses divided by two.

^A Records for the 1936 season are not complete. In the inaugural season, a Fall playoff between the top two teams, the Osaka Tigers and the Tokyo Kyojin, was played. The Kyojin won the series two games-to-one to be declared champions.
^B For all but the first season of 1936, the JBL did not institute a playoff of any kind. The 1936, 1937, and 1938 seasons were the only seasons in its existence with first and second half champions.
^C Excluding ties, the Chunichi Dragons prevailed to win the Central League pennant with a record of 70–49 (.5882) while the Giants had a record of 71–50 (.5867)
^D Both the Giants and Chunichi Dragons were 69–60 before the 130th and final game of the season. In the 1994 Central League tie-breaker game, otherwise known as the "10.8 deciding match", the Giants won 6–3.
^E Due to the COVID-19 pandemic in 2020, NPB saw both of their leagues modify their playoff format. The PL decided to modify the traditional Climax Series format and eliminate the First Stage series to instead play only one modified Final Stage series while the Central League sent the first place team directly to the Japan Series, which in this case was Yomiuri.