List of Orix Buffaloes seasons

The Orix Buffaloes are a Nippon Professional Baseball team based in the Pacific League that splits their home games between Kyocera Dome Osaka in Osaka, Osaka Prefecture, Japan. and Kobe Sports Park Baseball Stadium in Kobe, Japan. The team originally began play as the Hankyu Club in 1936 in the Japanese Baseball League. They rebranded as the Hankyu Braves in 1947, which they retained all the way until 1989, when the team was acquired by Orix, a financial services company founded in Osaka; they became Orix Braves in 1989. In 1991, the team was rebranded as the Orix BlueWave. In 2004, mounting financial trouble lead to the 2004 Nippon Professional Baseball realignment that saw the team merge with the Osaka Kintetsu Buffaloes of Osaka and rebrand as the Orix Buffaloes starting in 2005.

In 89 combined seasons as the Braves/BlueWave/Buffaloes, the team has won the Japan Series five times (1975, 1976, 1977, 1996, 2022) while finishing first place in the Pacific League 15 times, most recently doing so in 2023. In the playoff era of the Pacific League (1973–1982, 2004-present), the Buffaloes have reached the postseason 11 times (1973, 1974, 1975, 1977, 1979, 2008, 2014, 2021, 2022, 2023, 2025).

• ^a This is determined by calculating the difference in wins plus the difference in losses divided by two.
• ^[b] The award was not open to the Pacific League until 1989. The award was not given out in the following years: 1971, 1980, 1984, 2000, 2019, and 2024.
  

^A Records for the 1936 season are not complete.
^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 existance with first and second half champions.
^C Excluding ties, the Kintetsu Buffaloes finished 71–54 (.568) while the Orix Braves finished 72–55 (.567)
^D Excluding ties, the Fukuoka SoftBank Hawks finished 78–60 (.5652) while the Orix Buffaloes finished 80–62 (.5633)
^e Extra innings were not played in Climax Series games in 2021 because of pandemic restrictions. Game and series ended when tying run was scored since NPB rules state if a Climax Series round ends in a tie, the higher seed advanced as Lotte could do no better than tie the series.