Cadiz is a town in Green County, Wisconsin, United States.

The earliest white settlers of the area were from the lead mining regions of the state, farther west.

The first settler of Cadiz was George Lot, originally from the State of Pennsylvania, who settled on the southeast quarter of section 36 in 1834.

He stayed for a short time, then moved on to nearby Winslow, Illinois.

[3] Abner Van Sant and his son-in-law, John Deniston, built a sawmill in the area in 1843, and laid out the community a few years later.