Posen is a village in Presque Isle County of the U.S. state of Michigan. The population was 234 at the 2010 census. The village is in Posen Township.
Posen has a strong Polish background as 56.1% of its inhabitants are reported to have Polish ancestry. It is home to the Posen Potato Festival, held every year on during the first weekend after Labor Day. The festival includes activities with potato pancakes and polka dancing. Posen has a branch of the Presque Isle District Library. Posen is also the German name for the Polish city of Poznań.