John Clark Dore (March 22, 1822 – December 14, 1900) was an American educator and politician from New Hampshire. A graduate of Dartmouth College, Dore briefly taught in Boston, Massachusetts before he was recruited to come to Chicago, Illinois to serve as its first superintendent of school. Dore was also a successful merchant, serving as the vice president of the Chicago Board of Trade. He was elected to the Illinois Senate in 1868, where he helped to establish the Illinois Humane Society.