John Conrad Bucher (December 28, 1792 – October 15, 1851) was a Jacksonian member of the U.S. House of Representatives from Pennsylvania. He was born in Harrisburg, Pennsylvania, the son of John Jacob Bucher (1764–1827) and Susanna Margaret Horter (1774–1838). His father represented Dauphin county in the Pennsylvania Legislature, sitting at Lancaster, nine successive terms from 1803, and was later appointed by Governor Findlay an associate judge for the county of Dauphin.