John Andre Hanna (1762 – July 23, 1805) was an American lawyer, slaveholder and politician who served four terms as a United States representative from Pennsylvania from 1797 to 1805.
Born in Flemington in the Province of New Jersey, he received a classical education and graduated from Princeton College in 1782.
Hanna was a member of the Pennsylvania House of Representatives in 1791, and was elected lieutenant colonel of the Third Battalion of Dauphin County on December 29, 1792.
He was appointed brigadier general of Dauphin County Brigade on April 19, 1793 and was in command during the Whisky Rebellion of that year.
He was appointed major general of the Sixth Division of Dauphin and Berks Counties on April 23, 1800.