Nathaniel Garrow (April 25, 1780 – March 3, 1841) was a U.S. Representative from New York.
Born in Barnstable, Massachusetts, Garrow attended the public schools. Followed the sea. He moved to Auburn, New York, in 1796. He was appointed Justice of the Peace in 1809. Sheriff of Cayuga County 1815–1819 and 1821–1825.
Garrow was elected as a Jacksonian to the Twentieth Congress (March 4, 1827 – March 3, 1829). United States marshal of the northern district of New York from February 1837 to March 1841. He died in Auburn, New York, March 3, 1841. He was interred in the family burying ground on his estate. He was reinterred in Fort Hill Cemetery, Auburn, New York.