Magnus Tate (* 1760 in Berkeley County, Virginia; † March 30, 1823 in Martinsburg, Virginia ) was an American politician of the Federalist Party and a member of the U.S. House of Representatives from Virginia.
Born in what is now West Virginia Tate studied law and was after the lawyer admitted to the bar and engaged in agricultural activities. In 1797 he was a member of the House of Representatives from Virginia ( Virginia House of Delegates ) for the first time.
On 19 May 1798 he was appointed a judge of the District Court in Berkeley County. 1803, 1809 and 1810, he sat again in the House of Representatives from Virginia, before he was elected as a candidate of the Federal party for a member of the House of Representatives of the United States and, in this March 4, 1815 to March 3, 1817, the interests of the 2nd Congressional District represented by Virginia.