Elijah Hamlin (March 29, 1800 – July 16, 1872) was an American lawyer, businessman, politician and historian. He served in both houses of the Maine state legislature and as mayor of Bangor. Elijah Livermore Hamlin was born in Livermore, Maine on July 29, 1800 and was the older brother of future Vice President of the United States Hannibal Hamlin. He graduated from Brown University, studied law, and was admitted to the bar. He ran unsuccessfully for Governor of Maine in 1848 and as a Whig. From 1851 to 1853 he served as mayor of Bangor.