Riley Joseph Wilson (November 12, 1871 – February 23, 1946) was a Louisiana educator, attorney and legislator in the first half of the late 19th century and the first decades of the 20th century.

A Democrat, Wilson served in the United States House of Representatives from 1915 until 1937.

Wilson was born near Goldonna in Winn Parish, La.

Mr. Wilson later studied law and was admitted to the bar in 1898 and began practicing in Harrisonburg, La.

Riley J. Wilson served as a district attorney, judge, member of the State house of Representatives, and a US Congressman.