Levi Jefferson Ham (November 16, 1805 – June 11, 1887) was an American politician and surgeon. Ham was born in Shapleigh, Maine, on November 16, 1805, to a family of Scottish descent. Ham graduated from Dartmouth College in 1828, and received his medical degree from Bowdoin College in 1831. He worked as a doctor in York County, Maine from 1831 until 1845 and then in Erie County, New York from 1846 until 1859, when he relocated to South Bend. Ham maintained a medical practice until 1871.