Saitama Seibu Lion
- Country: Japan
- Type: Sports
- Website: www.seibulions.jp
- Update: 05-02
The Saitama Seibu Lions (埼玉西武狮) are a Japanese professional baseball team affiliated with the Nippon Professional Baseball (NPB) Pacific League.Founded in 1950 and home to the Seibu Dome, the team has won the league championship 21 times, and the Japan Grand Prix 13 times (as of 2016).
