Thiensville is a village in Ozaukee County, Wisconsin, United States. The population was 3,254 at the 2000 census. It was founded by its namesake, John Henry Thien.
In July 2005, CNN/Money and Money magazine ranked Thiensville and neighboring Mequon 19th on its list of the 100 Best Places to Live in the United States.
Thiensville is located at 43°14′13″N 87°58′48″W / 43.23694°N 87.98°W / 43.23694; -87.98 (43.236806, -87.979951).