Tenney is an unincorporated community and former city in section 28 of Campbell Township, Wilkin County, Minnesota, United States. A post office was established there in 1887, and Tenney was incorporated as a city on November 30, 1901. The population was five at the 2010 census, tying Tenney with Funkley as the least populous community in Minnesota. It is part of the Wahpeton, ND–MN Micropolitan Statistical Area.