John Jacob Wood (February 16, 1784 – May 20, 1874) was a U.S. Representative from New York.
Born in Clarkstown, New York, Wood was its first town clerk, serving from 1809-1812. He served as inspector of schools in 1815, 1823 from 1829 to 1831, and from 1835 to 1836.
Wood was elected to the 20th Congress (March 4, 1827 – March 3, 1829) as a Jacksonian. He returned to Rockland County after one term, where he served again as inspector of schools 1829-1831 and 1835 to 1837. He was Surrogate of Rockland County in 1837.
He served as Rockland County delegate to the state constitutional convention in 1846.
Wood died in New City, New York on May 20, 1874, and was interred in Old Wood Burying Ground.