John Hallock Jr. (July 1783-6 December 1840) was a member of the US House of Representatives (D-NY 6) from 4 March 1825 to 3 March 1829, interrupting Hector Craig's terms. Born in Oxford, he served as Minisink town clerk, in the State Assembly from 1816 to 1817 and from 1820 to 1821, and in Congress.