Peter Newhard (July 26, 1783 – February 19, 1860) was an American politician from Pennsylvania who served as a Democratic member of the U.S. House of Representatives for Pennsylvania's 8th congressional district from 1839 to 1843.
He served as street commissioner of the borough of Allentown in 1812, and coroner of Lehigh County, Pennsylvania, in 1816 and 1817.
He was elected to the Pennsylvania House of Representatives in 1817, 1818, 1819, 1824, 1825, and 1829, the term then being one year.
Newhard was elected as a Democrat to the Twenty-sixth and Twenty-seventh Congresses.
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