Harry Clay Ransley (February 5, 1863 – November 7, 1941) was a Republican member of the United States House of Representatives from Pennsylvania, serving eight terms from 1921 to 1937.

Running as a Republican, in 1920, he sought election to the 66th United States Congress to fill the vacancy caused by the resignation of J. Hampton Moore.

He won, and he was subsequently re-elected to the next seven sessions of Congress, serving from 1921 to 1937.

He was an unsuccessful candidate for reelection in 1936, losing to Democrat Leon Sacks.

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