Henry Clay McCormick (June 30, 1844 – May 26, 1902) was a Republican member of the U.S. House of Representatives from Pennsylvania.

Henry C. McCormick was born in Washington Township, Lycoming County, Pennsylvania on June 30, 1844.

He attended the common schools and Dickinson Seminary in Williamsport, Pennsylvania.

McCormick was elected as a Republican to the Fiftieth and Fifty-first Congresses.

He served as chairman of the United States House Committee on Railways and Canals during the Fifty-first Congress.