Nissei
Nissei may refer to:
- Nisei, second-generation Japanese immigrants in the Americas
 - Nippon Life or Nissay, Japanese life insurance company
 - Nissei-chuo Station, railway station in Inagawa, Hyōgo, Japan 
- Nissei Line, route of Nose Electric Railway from Yamashita Station to Nissei-chuo Station
 
 - Nissay Theatre, theatre in Chiyoda, Tokyo, Japan
 - Nippon Life Stadium, former baseball stadium in Osaka, Japan
 - Nissay Red Elf, professional women's table tennis team in the T.League