Christopher Daniel Sullivan (July 14, 1870 – August 3, 1942) was an American politician from New York who served twelve terms as a United States Congressman from 1917 to 1941.

Then he engaged in the real-estate business, and entered politics, joining Tammany Hall.

In 1916, Sullivan was elected as a Democrat to the 65th United States Congress.

While in the House he was Chairman of the Committee on Expenditures in the Department of Labor (65th Congress).

He was interred at Calvary Cemetery in Woodside, New York.