Zophar Mack Mansur (November 23, 1843 – March 28, 1914) was an American Civil War veteran, lawyer, banker, and politician who served as the 40th lieutenant governor of Vermont.

[1] He was educated at the Washington County Grammar School in Montpelier and graduated from the Derby Academy.

He participated with his regiment in the Battle of the Wilderness, Spotsylvania, North Anna, Cold Harbor, Petersburg, Monocacy Junction and 3rd Winchester.

He was appointed Collector of Customs for the Memphremagog District by President Benjamin Harrison in 1897 and served until 1906.

Fraternal organizations he was active in included the Sons of the American Revolution, Vermont Officers' Reunion Society, Grand Army of the Republic, and the Masons.