Sister Francella Mary Griggs, S.N.J.M., (February 5, 1920 – January 7, 2012) was a Native American member of the Sisters of the Holy Names of Jesus and Mary and a leading advocate of the Confederated Tribes of Siletz Indians of Oregon. She successfully advocated for the restoration of federal recognition of the Confederated Tribes of Siletz Indians. The tribe regained federal recognition in 1977.