Robert Hanna Hammond (April 28, 1791 – June 2, 1847) was an American politician who served two terms as a Democratic member of the U.S. House of Representatives from Pennsylvania from 1837 to 1841.
Robert Hanna Hammond was born in Milton, Pennsylvania.
He resigned and returned to Milton to serve as register and recorder of Northumberland County, Pennsylvania.
Hammond was elected as a Democrat to the twenty-fifth and twenty-sixth congresses.
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