Kakei Masanori served as a bushō during the Sengoku period.  He was a retainer of the Matsudaira clan of Mikawa Province.

Masanori was born as the son of Kakei Masaharu, a retainer of the Matsudaira clan.  Masanori, along with his older brothers (Kakei Shigetada and Kakei Masashige), served three generations of the Matsudaira – Matsudaira Kiyoyasu, Matsudaira Hirotada, and Matsudaira Motoyasu (later known as Tokugawa Ieyasu), the lords of Okazaki Castle.  In the fifth month of 1560, during the Battle of Okehazama, Masanori joined his older brothers and nephew, Kakei Shigenari, joined in an attack on Marune fortress, but along with Matsudaira Masachika, Matsudaira Shigetoshi, and Kōriki Masashige, was killed in action.  His son, Masayasu, served as a retainer of the Mito clan of Hitachi Province.