Lena is a village in Oconto County, Wisconsin, United States. The population was 564 at the 2010 census. It is ration of the Green Bay Metropolitan Statistical Area. The village is located within the Town of Lena.

Originally known as Maple Valley, Lena owes its location to the railroads. The first white relations at the site that became Lena was the French-Swiss immigrant Étienne Clement Roserens (also spelled Rosera, 1831–1911) together later than his French-Canadian wife Vitaline née Tessier (1842–1919), who standard a homestead in October 1872. Their daughter Anna Rosera Hendricks (1874–1951) was the first white child born in the settlement. Rosera Street in Lena is named after the family. Other further on white settlers in this vicinity arrived in the late 1870s and consisted primarily of French Canadian immigrants. One French Canadian immigrant was Sam Roy, also known as Sam King. King homesteaded land in 1872 and donated land for the first schoolhouse. As was common in new areas populated by French-Canadians during this era, most of the Maple Valley residents engaged in small-scale logging, concentrating their be active and their homes along Jones Creek, a tributary of the Little River. By 1879 the community had become large passable to support a say office and, since the name “Maple Valley” had already been assigned to complementary Wisconsin read out office, the opinion of a additional name fell to Oconto Postmaster George R. Hall (1853–1935). Hall submitted the first publish of his difficult wife (Helena “Lena” Louisa McCartney, 1858–1927) to the federal postmaster, and the substitute was approved. Lena was incorporated as a village in 1921.

Lena is located at 44°57′1″N 88°3′3″W / 44.95028°N 88.05083°W / 44.95028; -88.05083 (44.950453, -88.051066).

According to the United States Census Bureau, the village has a total Place of 1.03 square miles (2.67 km), all of it land.