John Wentworth (March 5, 1815 – October 16, 1888) was an American politician. He was the Mayor of Chicago two times.
Wentworth was born on March 5, 1815 in Sandwhich, New Hampshire. He studied at Dartmouth College. He was married to Roxanna Marie Loomis. Wentworth died on October 16, 1888 in Chicago, Illinois, aged 73.