William Henry Denson (March 4, 1846 – September 26, 1906) was a U.S. Representative from Alabama.

Denson left the University of Alabama in 1863 to join the Confederate States Army, worked on his father's farm and studied law.

He was admitted to the bar in 1868 and commenced practice in Union Springs, Alabama, moved to LaFayette, Alabama, in October 1870, served as mayor of Lafayette in 1874, served as member of the State house of representatives in 1876, moved to Gadsden, Etowah County, in 1877 and continued the practice of his profession.

He was an unsuccessful candidate for renomination in 1894 and moved to Birmingham, Alabama, where he resumed the practice of law.

This article incorporates public domain material from the Biographical Directory of the United States Congress