Kokubu Morishige (国分 盛重, 1553 – September 7, 1615) was a Japanese samurai of the Sengoku through early Edo period. He was a fifth son of Date Harumune.[1] Morishige, also known by his court title Noto no Kami 能登守, was the uncle of Date Masamune.[2] He was also the last lord of Matsumori Castle.[2]