Fujiwara no Reishi, also known as Ōi no Mikado Reishi, was an empress consort of Japan. She was the consort of Emperor Tsuchimikado of Japan. Her honorary name was Onmei Mon'in (陰明門院).
- Position held
- Empress of Japan
- Citizenship
- Japan
- Born
- 1185
- Died
- November 1, 1243
