Dennis John Harte (1866 in New York City – February 19, 1917 in Long Island City, Queens, New York City) was an American politician from New York.
He worked for a wholesale importing company.
Harte was a member of the New York State Assembly (Queens Co., 1st D.) in 1906.
He was a member of the New York State Senate (2nd D.) from 1907 to 1912, sitting in the 130th, 131st, 132nd, 133rd, 134th and 135th New York State Legislatures.
He died on February 19, 1917, at his home at 350 Stevens Street in Long Island City.