Palmer Edward Havens (November 24, 1818 in Moriah, Essex County, New York – September 4, 1886 in Essex, Essex Co., NY) was an American politician from New York.
He was the son of Deacon John Havens (1791–1836) and Aurilla (Pratt) Havens (1785–1860). He attended the common schools, then taught school for ten years. At the same time, he studied law with Henry H. Ross, was admitted to the bar in 1843, and practiced in Essex. In 1841, he married Betsy E. Putnam (died 1872), and they had two children. He was at times Superintendent of Common Schools, Town Clerk, and Supervisor of the Town of Essex.
He was a member of the New York State Assembly (Essex Co.) in 1862 and 1863; of the New York State Senate (16th D.) in 1864 and 1865; and again of the State Assembly in 1867.
On February 17, 1873, he married Jane M. (Ismon) Edwards.