Harry Patrick O'Neill (February 10, 1889 – June 24, 1953) was an American politician who served two terms as a Democratic United States Representative from Pennsylvania from 1949 to 1953.

Harry P. O'Neill was born in Dunmore, Pennsylvania to Irish immigrants.

[1] He left school at the age of ten and went to work as a slate picker in the O.S.

O'Neill was elected as a Democrat to the Eighty-first and Eighty-second Congresses, but he was an unsuccessful candidate for reelection in 1952, when redistricting forced him into an election with fellow incumbent Congressman Joseph L. Carrigg.

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