Noadiah Johnson (1795-4 April 1839) was a member of the US House of Representatives (D-NY 23) from 4 March 1833 to 3 March 1835, succeeding Charles Dayan and Daniel Wardwell and preceding William Seymour. Born in Connecticut, he practiced law in Delhi, New York before serving as district attorney from 1825 to 1833, in Congress, and in the state senate from 1837 to 1839.