James Castle

James Nathan Castle (May 23, 1836 – January 2, 1903) was a U.S. representative from Minnesota.

Castle was born in Shefford in Lower Canada where he attended the public schools, and then studied law. He moved to Afton, Minnesota, in 1862 and taught school. He completed his law studies and was admitted to the bar. He began practicing in Stillwater starting in 1865.

Castle was elected county attorney in 1866 to fill the unexpired term of his deceased brother. He was then elected Washington County Attorney in 1868, to the Minnesota Senate in 1868, 1878, and 1882, elected as a Democrat to the 52nd United States Congress (March 4, 1891 – March 3, 1893). While in congress, he was the chairman of the United States House Committee on Mileage (52nd Congress). He ran unsuccessfully for reelection in 1892.

He returned to the practice of law until his death in Stillwater in 1903. He is buried in Fairview Cemetery.