Koshkonong may refer to:
Places United States Koshkonong, Missouri Koshkonong (community), Wisconsin, an unincorporated community Koshkonong Manor, Wisconsin, an unincorporated community Koshkonong Mounds, Wisconsin, an unincorporated community Koshkonong, Wisconsin, a town Fort Koshkonong, a historical location in Wisconsin Lake Koshkonong, Wisconsin, a census-designated place Lake Koshkonong, a reservoir in southern Wisconsin