Viola is a village in Richland and Vernon Counties in the U.S. state of Wisconsin, United States. The population was 667 at the 2000 census.
Viola is located at 43°30′27″N 90°40′13″W / 43.5075°N 90.67028°W / 43.5075; -90.67028 (43.507552, -90.670178).
According to the United States Census Bureau, the village has a total area of 1.0 square miles (2.7 km²), all of it land. The zip code is 54664.