Thomas Fitch, Jr. (October 14, 1612 – April 14, 1704) was a founding settler of Norwalk, Connecticut. He served as a deputy of the General Assembly of the Connecticut Colony representing Norwalk in the May 1673 session. He was born October 14, 1612, in Bocking, Essex, England, the son of Thomas Fitch and Anna Reeve. He emigrated from England in 1638. In Norwalk, he had the largest land holdings of any settler. He served as town clerk of Norwalk from 1654 to 1658, from 1674 to 1677, from 1680 to 1682, and from 1686 to 1687.