John Platt (January 11, 1632 – November 6, 1705) was an early settler of Norwalk, Connecticut.
He was a member of the General Court of the Colony of Connecticut from Norwalk in several sessions between 1678 and 1694.
[2][3] He moved from Milford, Connecticut to Norwalk, and received grants of land there in 1660, 1663 and 1672.
[3] In 1680, Platt was one of the three commissioners appointed to lay out the plantation north of Stamford.
[3] In 1687, he was appointed one of the three commissioners chosen to lay out Danbury.