William Henry Proctor (October 19, 1827 – March 12, 1902) was an American farmer and Republican politician.

He served one term in the Wisconsin State Assembly, representing Columbia County.

[1] Proctor was a farmer, and he inherited the farm in Fountain Prairie in 1855, when his mother died.

[1] He served on the Columbia County, Wisconsin Board of Supervisors and was involved in the Republican Party.

This article about a Republican Party member of the Wisconsin State Assembly born in the 1820s is a stub.