Samuel Davis (1774 – April 20, 1831) was a U.S. representative from Massachusetts.
Born in Bath in Massachusetts Bay's Province of Maine, Davis engaged in mercantile pursuits and became a shipowner in 1801. He served as member of the Massachusetts House of Representatives in 1803 and 1808-1812. He served as overseer of Bowdoin College from 1813 to 1818 and as president of Lincoln Bank in Bath in 1813.
Davis was elected as a Federalist to the Thirteenth Congress (March 4, 1813 - March 3, 1815). He was again a member of the Massachusetts House of Representatives in 1815 and 1816.
In his private life he was a merchant in African and West Indian trade.
He died in Bath, Maine, on April 20, 1831, and was interred in Maple Grove Cemetery.