- Birth: 1549
- Death: 1615
- Title: Kawachi no kami
- Distinction: Tokugawa retainer
- Son: Tadayo
- Japanese: 酒井 重忠 (Sakai Shigetada)
Shigetada was a son of Sakai Masachika (1521-1576). He was given a 10,000-koku fief at Kawagoe in Musashi province in 1590 and later 35,000 koku at Umabayashi in Kôzuke province. During the Osaka Summer Campaign (1615), Shigetada was entrusted with guarding Edo Castle while Tokugawa Ieyasu and Hidetada was away at the front.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005