- Born: 1518
- Died: 1597
- Sons: Yasawa Yorisada
- Titles: Satsuma no kami
- Childhood name: Gennosuke
- Distinction: Takeda, Sanada retainer
Yoritsuna was a younger brother of Sanada Yukitaka and was at first known as Gennosuke. Noted for his bravery, he first served the Takeda and when his nephew Masayuki drew away from that family, Yoritsuna became an important Sanada retainer. He was given the care of Numata Castle in 1580 and later defended it against the Hôjô clan. His son Yorisada went on to serve the Tokugawa and was present in the efforts to bring down Osaka Castle (1614-1615).
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005