Mississinewa may refer to:
Mississinewa River in Indiana USS Mississinewa may refer to: , a Cimarron-class fleet oiler, was launched 28 March 1944 and sunk 15 November 1944. , a Neosho-class fleet oiler, was in service from 1955 to 1991. Mississinewa High School Treaty of Mississinewas, 1826 Mississinewa Lake Dam The Battle of the Mississinewa Mississinawa Township, Darke County, Ohio