Benjamin Ferguson (February 14, 1820 – April 19, 1888) was a Scottish American politician and farmer.

[1] Born in Penobscot, Maine, he was descended from the Clan Fergusson, through his Scottish immigrant father, William Ferguson.

Benjamin Ferguson moved to the Wisconsin Territory in 1844 and became one of the first settlers at Fox Lake, building the first frame house in the village.

[2] In 1857, he was the Democratic candidate for Wisconsin State Senate in the 22nd District, but was defeated by Republican future-Governor William E. Smith.

This time Ferguson prevailed, and served as Dodge County's representative in the Senate for the 1860 and 1861 sessions.